- Nov 06, 2020
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Lee Jones authored
Fixes the following W=1 kernel build warning(s): drivers/tty/synclink_gt.c:633: warning: Function parameter or member 'tty' not described in 'ldisc_receive_buf' drivers/tty/synclink_gt.c:633: warning: Function parameter or member 'data' not described in 'ldisc_receive_buf' drivers/tty/synclink_gt.c:633: warning: Function parameter or member 'flags' not described in 'ldisc_receive_buf' drivers/tty/synclink_gt.c:633: warning: Function parameter or member 'count' not described in 'ldisc_receive_buf' drivers/tty/synclink_gt.c:1683: warning: Function parameter or member 'txqueue' not described in 'hdlcdev_tx_timeout' Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: paulkf@microgate.com Signed-off-by:
Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201104193549.4026187-24-lee.jones@linaro.org Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Lee Jones authored
Fixes the following W=1 kernel build warning(s): drivers/tty/serial/xilinx_uartps.c:205: warning: Function parameter or member 'cts_override' not described in 'cdns_uart' Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: Michal Simek <michal.simek@xilinx.com> Cc: linux-serial@vger.kernel.org Signed-off-by:
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Lee Jones authored
Fixes the following W=1 kernel build warning(s): drivers/tty/serial/ifx6x60.c:553: warning: Function parameter or member 'tty' not described in 'ifx_port_activate' drivers/tty/serial/ifx6x60.c:728: warning: Function parameter or member 't' not described in 'ifx_spi_io' drivers/tty/serial/ifx6x60.c:728: warning: Excess function parameter 'data' description in 'ifx_spi_io' Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: Filip Aben <f.aben@option.com> Cc: Joseph Barrow <d.barow@option.com> Cc: Jan Dumon <j.dumon@option.com> Cc: Russ Gorby <russ.gorby@intel.com> Cc: linux-serial@vger.kernel.org Signed-off-by:
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Lee Jones authored
Fixes the following W=1 kernel build warning(s): drivers/tty/serial/msm_serial.c: In function ‘msm_complete_tx_dma’: drivers/tty/serial/msm_serial.c:429:18: warning: variable ‘status’ set but not used [-Wunused-but-set-variable] Cc: Andy Gross <agross@kernel.org> Cc: Bjorn Andersson <bjorn.andersson@linaro.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: Robert Love <rlove@google.com> Cc: linux-arm-msm@vger.kernel.org Cc: linux-serial@vger.kernel.org Signed-off-by:
Jeffrey Hugo <jeffrey.l.hugo@gmail.com> Link: https://lore.kernel.org/r/20201104193549.4026187-21-lee.jones@linaro.org Signed-off-by:
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Lee Jones authored
Fixes the following W=1 kernel build warning(s): drivers/tty/serial/lpc32xx_hs.c: In function ‘__serial_uart_flush’: drivers/tty/serial/lpc32xx_hs.c:244:6: warning: variable ‘tmp’ set but not used [-Wunused-but-set-variable] Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: Vladimir Zapolskiy <vz@mleia.com> Cc: Sylvain Lemieux <slemieux.tyco@gmail.com> Cc: Kevin Wells <kevin.wells@nxp.com> Cc: Roland Stigge <stigge@antcom.de> Cc: linux-serial@vger.kernel.org Signed-off-by:
Vladimir Zapolskiy <vz@mleia.com> Link: https://lore.kernel.org/r/20201104193549.4026187-20-lee.jones@linaro.org Signed-off-by:
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Lee Jones authored
Fixes the following W=1 kernel build warning(s): drivers/tty/n_gsm.c:85: warning: Function parameter or member 'ref' not described in 'gsm_mux_net' drivers/tty/n_gsm.c:85: warning: Function parameter or member 'dlci' not described in 'gsm_mux_net' drivers/tty/n_gsm.c:664: warning: Function parameter or member 'dlci' not described in 'gsm_data_kick' drivers/tty/n_gsm.c:1015: warning: Function parameter or member 'clen' not described in 'gsm_process_modem' Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Signed-off-by:
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Lee Jones authored
When !ACPI 'sbsa_uart_acpi_match' is not referenced. Fixes the following W=1 kernel build warning(s): drivers/tty/serial/amba-pl011.c:2792:36: warning: ‘sbsa_uart_acpi_match’ defined but not used [-Wunused-const-variable=] Cc: Russell King <linux@armlinux.org.uk> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: linux-serial@vger.kernel.org Signed-off-by:
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Lee Jones authored
Fixes the following W=1 kernel build warning(s): drivers/tty/pty.c:710: warning: Function parameter or member 'file' not described in 'ptm_unix98_lookup' drivers/tty/pty.c:726: warning: Function parameter or member 'file' not described in 'pts_unix98_lookup' Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: "C. Scott Ananian" <cananian@alumni.princeton.edu> Signed-off-by:
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Lee Jones authored
Fixes the following W=1 kernel build warning(s): drivers/tty/tty_audit.c:91: warning: Function parameter or member 'buf' not described in 'tty_audit_buf_push' drivers/tty/tty_audit.c:129: warning: Function parameter or member 'sig' not described in 'tty_audit_fork' drivers/tty/tty_audit.c:137: warning: Function parameter or member 'tty' not described in 'tty_audit_tiocsti' drivers/tty/tty_audit.c:137: warning: Function parameter or member 'ch' not described in 'tty_audit_tiocsti' drivers/tty/tty_audit.c:202: warning: Function parameter or member 'tty' not described in 'tty_audit_add_data' drivers/tty/tty_audit.c:202: warning: Function parameter or member 'data' not described in 'tty_audit_add_data' drivers/tty/tty_audit.c:202: warning: Function parameter or member 'size' not described in 'tty_audit_add_data' Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: Miloslav Trmac <mitr@redhat.com> Signed-off-by:
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Lee Jones authored
Fixes the following W=1 kernel build warning(s): drivers/tty/serial/8250/serial_cs.c: In function ‘multi_config’: drivers/tty/serial/8250/serial_cs.c:562:7: warning: variable ‘err’ set but not used [-Wunused-but-set-variable] Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: Colin Ian King <colin.king@canonical.com> Cc: "David A. Hinds" <dahinds@users.sourceforge.net> Cc: linux-serial@vger.kernel.org Signed-off-by:
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Lee Jones authored
Demote non-conformant headers and supply some missing descriptions. Fixes the following W=1 kernel build warning(s): drivers/tty/tty_io.c:218: warning: Function parameter or member 'file' not described in 'tty_free_file' drivers/tty/tty_io.c:566: warning: Function parameter or member 'exit_session' not described in '__tty_hangup' drivers/tty/tty_io.c:1077: warning: Function parameter or member 'tty' not described in 'tty_send_xchar' drivers/tty/tty_io.c:1077: warning: Function parameter or member 'ch' not described in 'tty_send_xchar' drivers/tty/tty_io.c:1155: warning: Function parameter or member 'file' not described in 'tty_driver_lookup_tty' drivers/tty/tty_io.c:1508: warning: Function parameter or member 'tty' not described in 'release_tty' drivers/tty/tty_io.c:1508: warning: Function parameter or member 'idx' not described in 'release_tty' drivers/tty/tty_io.c:2973: warning: Function parameter or member 'driver' not described in 'alloc_tty_struct' drivers/tty/tty_io.c:2973: warning: Function parameter or member 'idx' not described in 'alloc_tty_struct' Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: Nick Holloway <alfie@dcs.warwick.ac.uk> Cc: -- <julian@uhunix.uhcc.hawaii.edu> Cc: Marko Kohtala <Marko.Kohtala@hut.fi> Cc: Bill Hawes <whawes@star.net> Cc: "C. Scott Ananian" <cananian@alumni.princeton.edu> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Andrew Morton <andrewm@uow.edu.eu> Signed-off-by:
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Lee Jones authored
Fixes the following W=1 kernel build warning(s): drivers/tty/serial/jsm/jsm_cls.c: In function ‘cls_copy_data_from_uart_to_queue’: drivers/tty/serial/jsm/jsm_cls.c:400:7: warning: variable ‘discard’ set but not used [-Wunused-but-set-variable] Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: linux-serial@vger.kernel.org Signed-off-by:
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Lee Jones authored
Fixes the following W=1 kernel build warning(s): drivers/tty/n_tty.c:405: warning: Function parameter or member 'tty' not described in 'is_continuation' drivers/tty/n_tty.c:1701: warning: Function parameter or member 'flow' not described in 'n_tty_receive_buf_common' Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: "Andrew J. Kroll" <ag784@freenet.buffalo.edu> Cc: processes-Sapan Bhatia <sapan@corewars.org> Signed-off-by:
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Lee Jones authored
Fixes the following W=1 kernel build warning(s): drivers/tty/vt/consolemap.c:739: warning: Function parameter or member 'ct' not described in 'con_get_unimap' drivers/tty/vt/consolemap.c:739: warning: Function parameter or member 'uct' not described in 'con_get_unimap' drivers/tty/vt/consolemap.c:739: warning: Function parameter or member 'list' not described in 'con_get_unimap' Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: Jakub Jelinek <jj@ultra.linux.cz> Cc: Stanislav Voronyi <stas@cnti.uanet.kharkov.ua> Signed-off-by:
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Lee Jones authored
Fixes the following W=1 kernel build warning(s): drivers/tty/tty_jobctrl.c:32: warning: Function parameter or member 'sig' not described in '__tty_check_change' drivers/tty/tty_jobctrl.c:95: warning: Function parameter or member 'tty' not described in '__proc_set_tty' drivers/tty/tty_jobctrl.c:344: warning: Function parameter or member 'file' not described in 'tiocsctty' Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Signed-off-by:
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Lee Jones authored
Fixes the following W=1 kernel build warning(s): drivers/tty/tty_port.c:633: warning: Function parameter or member 'port' not described in 'tty_port_close' drivers/tty/tty_port.c:633: warning: Function parameter or member 'tty' not described in 'tty_port_close' drivers/tty/tty_port.c:633: warning: Function parameter or member 'filp' not described in 'tty_port_close' drivers/tty/tty_port.c:672: warning: Function parameter or member 'port' not described in 'tty_port_open' drivers/tty/tty_port.c:672: warning: Function parameter or member 'tty' not described in 'tty_port_open' drivers/tty/tty_port.c:672: warning: Function parameter or member 'filp' not described in 'tty_port_open' Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Signed-off-by:
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Lee Jones authored
Fixes the following W=1 kernel build warning(s): drivers/tty/tty_buffer.c:592: warning: Function parameter or member 'limit' not described in 'tty_buffer_set_limit' Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Signed-off-by:
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Lee Jones authored
Fixes the following W=1 kernel build warning(s): drivers/tty/tty_ldisc.c:883:6: warning: no previous prototype for ‘tty_sysctl_init’ [-Wmissing-prototypes] 883 | void tty_sysctl_init(void) | ^~~~~~~~~~~~~~~ Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: Nick Holloway <alfie@dcs.warwick.ac.uk> Cc: -- <julian@uhunix.uhcc.hawaii.edu> Cc: Marko Kohtala <Marko.Kohtala@hut.fi> Cc: Bill Hawes <whawes@star.net> Cc: "C. Scott Ananian" <cananian@alumni.princeton.edu> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Andrew Morton <andrewm@uow.edu.eu> Signed-off-by:
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Lee Jones authored
Fixes the following W=1 kernel build warning(s): drivers/tty/tty_baudrate.c:234: warning: Function parameter or member 'tty' not described in 'tty_encode_baud_rate' Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Signed-off-by:
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Lee Jones authored
Fixes the following W=1 kernel build warning(s): drivers/tty/serdev/core.c: In function ‘serdev_controller_remove’: drivers/tty/serdev/core.c:811: warning: Function parameter or member 'owner' not described in '__serdev_device_driver_register' Cc: Rob Herring <robh@kernel.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: linux-serial@vger.kernel.org Signed-off-by:
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Lee Jones authored
No need to have a dummy variable here. Fixes the following W=1 kernel build warning(s): drivers/tty/serdev/core.c: In function ‘serdev_controller_remove’: drivers/tty/serdev/core.c:791:6: warning: variable ‘dummy’ set but not used [-Wunused-but-set-variable] Cc: Rob Herring <robh@kernel.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: linux-serial@vger.kernel.org Signed-off-by:
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- Nov 04, 2020
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Jiri Slaby authored
'puts_queue' currently loops over characters and employs the full tty buffer machinery for every character. Do the buffer allocation only once and copy all the character at once. This is achieved using tty_insert_flip_string instead of loop+tty_insert_flip_char. Signed-off-by:
Jiri Slaby <jslaby@suse.cz> Link: https://lore.kernel.org/r/20201029113222.32640-17-jslaby@suse.cz Signed-off-by:
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Jiri Slaby authored
Instead of a 'for' loop with 'test_bit's to find a bit in a range, use find_next_bit to achieve the same in a simpler and faster manner. Signed-off-by:
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Jiri Slaby authored
Instead of a multiline macro, convert HW_RAW to an inline function. It allows for type checking of the parameter. And given we split the code into two tests, it is now more readable too. Signed-off-by:
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Jiri Slaby authored
Do the permission check on a single place. That is where perm is really checked. Signed-off-by:
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Jiri Slaby authored
Now that we removed the ugly handling of func_buf, remove unneeded declarations of func_* variables. The definitions are in the generated defkeymap.c_shipped, so we cannot really remove them (but we would love to). Signed-off-by:
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Jiri Slaby authored
Setting of function key strings is now very complex. It uses a global buffer 'func_buf' which is prefilled in defkeymap.c_shipped. Then there is also an index table called 'func_table'. So initially, we have something like this: char func_buf[] = "\e[[A\0" // for F1 "\e[[B\0" // for F2 ...; char *func_table[] = { func_buf + 0, // for F1 func_buf + 5, // for F2 ... } When a user changes some specific func string by KDSKBSENT, it is changed in 'func_buf'. If it is shorter or equal to the current one, it is handled by a very quick 'strcpy'. When the user's string is longer, the whole 'func_buf' is reallocated to allow expansion somewhere in the middle. The buffer before the user's string is copied, the user's string appended and the rest appended too. Now, the index table (func_table) needs to be recomputed, of course. One more complication is the held spinlock -- we have to unlock, reallocate, lock again and do the whole thing again to be sure noone raced with us. In this patch, we chose completely orthogonal approach: when the user's string is longer than the current one, we simply assign the 'kstrdup'ed copy to the index table (func_table) and modify func_buf in no way. We only need to make sure we free the old entries. So we need a bitmap is_kmalloc and free the old entries (but not the original func_buf rodata string). Also note that we do not waste so much space as previous approach. We only allocate space for single entries which are longer, while before, the whole buffer was duplicated plus space for the longer string. Signed-off-by: -
Jiri Slaby authored
KDGKBSENT (the getter) needs only 'user_kdgkb->kb_func' from the userspace, i.e. the index. Then it needs a buffer for a local copy of 'kb_string'. KDSKBSENT (the setter) needs a copy up to the length of 'user_kdgkb->kb_string'. That means, we obtain the index before the switch-case and use it in both paths and: 1) allocate full space in the getter case, and 2) copy the string only in the setter case. We do it by strndup_user helper now which was not available when this function was written. Given we copy the two members of 'struct kbsentry' separately, we no longer need a local definition. Hence we need to change all the sizeofs here too. Signed-off-by:
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Jiri Slaby authored
There are too many one-letter variables in vt_do_kdgkb_ioctl which is rather confusing. Rename 'i' to 'kb_func' and change its type to be the same as its originating value (struct kbsentry.kb_func) -- unsigned char. Signed-off-by:
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Jiri Slaby authored
rep is used as a bool in the code, so declare it as such. Signed-off-by:
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Jiri Slaby authored
key_down is sued as a bitmap using test_bit, set_bit and similar. So declare it using DECLARE_BITMAP to make it obvious even from the declaration. Signed-off-by:
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Jiri Slaby authored
Do the permission check on a single place. That is where perm is really checked. Signed-off-by:
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Jiri Slaby authored
Split vt_do_kdsk_ioctl into three functions: * getter (KDGKBENT/vt_kdgkbent) * setter (KDSKBENT/vt_kdskbent) * switch-case helper (vt_do_kdsk_ioctl) This eliminates the need of ugly one-letter macros as we use parameters now: * i aka tmp.kb_index -> idx * s aka tmp.kb_table -> map * v aka tmp.kb_value -> val Signed-off-by:
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Jiri Slaby authored
Define one limit per line and index them by their index, so that it is clear what is what. Signed-off-by:
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Jiri Slaby authored
KT_LETTER was numerically missorted. So sort all KT_* entries. Signed-off-by:
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Jiri Slaby authored
There are many includes and it is hard to check if something is there or not. So sort them alphabetically. Signed-off-by:
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Jiri Slaby authored
We use spin locks, but don't include linux/spinlock.h in keyboards.c. So fix this up. Signed-off-by:
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Jiri Slaby authored
ctrl_alt_del is already declared in linux/reboot.h which we include. So remove this second (superfluous) declaration. Signed-off-by:
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Greg Kroah-Hartman authored
We need the tty/vt/serial fixes in here as well. Signed-off-by:
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- Nov 02, 2020
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Linus Torvalds authored
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