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2010-04-25microblaze: remove dead assignments, spotted by clang analyzerBlue Swirl2-8/+2
Value stored is never read. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-04-25m68k: remove dead assignments, spotted by clang analyzerBlue Swirl1-3/+0
Value stored is never read. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-04-25cris: remove dead assignments, spotted by clang analyzerBlue Swirl3-8/+3
Value stored is never read. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-04-25arm: remove dead assignments, spotted by clang analyzerBlue Swirl14-40/+32
Value stored is never read. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-04-25x86: remove dead assignments, spotted by clang analyzerBlue Swirl7-19/+17
Value stored is never read. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-04-25Remove dead assignments in various common files, spotted by clang analyzerBlue Swirl6-15/+10
Value stored is never read. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-04-25usb: remove dead assignments, spotted by clang analyzerBlue Swirl7-14/+24
Value stored is never read. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-04-25bt: remove dead assignments, spotted by clang analyzerBlue Swirl3-10/+5
Value stored is never read. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-04-25linux-user: Fix Sparc64 syscall returns.Richard Henderson1-2/+3
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-04-25Fix dead initialization, spotted by clang analyzerBlue Swirl2-2/+3
Fix clang warnings: /src/qemu/block/vvfat.c:1102:9: warning: Value stored to 'index3' during its initialization is never read int index3=index1+1; /src/qemu/cmd.c:290:15: warning: Value stored to 'p' during its initialization is never read char *p = result; Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-04-25Remove IO_MEM_SUBWIDTH.Richard Henderson2-78/+36
Greatly simplify the subpage implementation by not supporting multiple devices at the same address at different widths. We don't need full copies of mem_read/mem_write/opaque for each address, only a single index back into the main io_mem_* arrays. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-04-25linux-user: Remove ELFLOAD32.Richard Henderson5-47/+1
The ABI-specific types used by linux_binprm and image_info are different after forcing TARGET_ABI32 on. Which means that the parameters that load_elf_binary_multi sees are not those that loader_exec passed. This is inherently broken and is more trouble than it's worth fixing. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-04-25tcg/arm: fix condition in zero/sign extension functionsAurelien Jarno1-6/+6
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-04-23Fix OpenBSD buildBlue Swirl1-240/+240
GCC 3.3.5 generates warnings for static forward declarations of data, so rearrange code to use static forward declarations of functions instead. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-04-23m68k: fix if statement with empty body, spotted by clangBlue Swirl1-2/+3
Fix clang error: CC m68k-softmmu/helper.o /src/qemu/target-m68k/helper.c:773:33: error: if statement has empty body [-Wempty-body] else if (val & (1ull << 47)); Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-04-23m68k-dis: fix unused return value, spotted by clangBlue Swirl1-29/+35
Fix clang errors like: CC libdis/m68k-dis.o /src/qemu/m68k-dis.c:1796:7: error: expression result unused [-Wunused-value] FETCH_DATA (info, p); Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-04-23Fix harmless if statement with empty body, spotted by clangBlue Swirl1-1/+2
This clang error is harmless but worth fixing: CC libhw32/rc4030.o /src/qemu/hw/rc4030.c:244:66: error: if statement has empty body [-Wempty-body] DPRINTF("read 0x%02x at " TARGET_FMT_plx "\n", val, addr); Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-04-23Merge remote branch 'origin/master' into stagingAnthony Liguori1-14/+11
2010-04-23target-sparc: Fix address masking in ldqf and stqf.Richard Henderson1-14/+11
Use address_mask on both addr and addr+8 in both these routines, rather than explicit masking with 0xffffffff. Reformulate address_mask to return a result, rather than masking a pass-by-reference argument. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-04-23block: Free iovec arrays allocated by multiwrite_merge()Stefan Hajnoczi1-0/+3
A new iovec array is allocated when creating a merged write request. This patch ensures that the iovec array is deleted in addition to its qiov owner. Reported-by: Leszek Urbanski <tygrys@moo.pl> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-04-23qcow2: Use QLIST_FOREACH_SAFE macroStefan Hajnoczi1-8/+2
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-04-23linux-aio: Fix typo in read() EINTR checkStefan Hajnoczi1-1/+1
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-04-23qemu-img: Fix BRDV_O_FLAGS typoStefan Hajnoczi1-10/+10
It should be BDRV_O_FLAGS instead of BRDV_O_FLAGS. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-04-23qemu-img: Eliminate bdrv_new_open() code duplicationStefan Hajnoczi1-73/+10
Several commands have code to create a BlockDriverState and open a file. The bdrv_new_open() function can be used to perform these steps. This patch converts the qemu-img commands to actually use bdrv_new_open(). Replaced the bdrv_new_open() 'readonly' argument with bdrv_open()-style flags to support generic flags like BDRV_O_NO_BACKING. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-04-23block: Convert first_drv to QLISTStefan Hajnoczi2-11/+13
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-04-23block.h: bdrv_create2 doesn't exist any moreKevin Wolf1-4/+0
The bdrv_create2 implementation has disappeared long ago. Remove its prototype from the header file, too. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-04-23Remove un-needed codeBruce Rogers1-1/+0
The bdrv_set_geometry_hint call below is not needed - it's just setting what was just read. Signed-off-by: Bruce Rogers <brogers@novell.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-04-23block: Convert bdrv_first to QTAILQStefan Hajnoczi2-23/+21
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-04-23block: Do not export bdrv_firstStefan Hajnoczi3-33/+34
The bdrv_first linked list of BlockDriverStates is currently extern so that block migration can iterate the list. However, since there is already a bdrv_iterate() function there is no need to expose bdrv_first. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-04-23cleanup block driver option handling in vl.cChristoph Hellwig1-29/+16
Assign directly to the bdrv_flags variable instead of using magic numbers before translating to the BDRV_O_* options. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-04-23qcow2: Return 0/-errno in l2_allocateKevin Wolf1-17/+23
Returning NULL on error doesn't allow distinguishing between different errors. Change the interface to return an integer for -errno. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-04-23qcow2: Return 0/-errno in write_l1_entryKevin Wolf1-5/+5
Change write_l1_entry to return the real error code instead of -1. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-04-23qcow2: Fix error return code in qcow2_alloc_cluster_link_l2Kevin Wolf1-2/+2
Fix qcow2_alloc_cluster_link_l2 to return the real error code like it does in all other error cases. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-04-23qcow2: Return 0/-errno in write_l2_entriesKevin Wolf1-4/+5
Change write_l2_entries to return the real error code instead of -1. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-04-23block: split raw_getlengthChristoph Hellwig1-23/+42
Split up the raw_getlength into separate generic, solaris and BSD versions to reduce the ifdef maze a bit. The BSD variant still is a complete maze, but to clean it up properly we'd need some people using the BSD variants to figure out what code is used for what variant. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-04-23block: get rid of the BDRV_O_FILE flagChristoph Hellwig3-26/+25
BDRV_O_FILE is only used to communicate between bdrv_file_open and bdrv_open. It affects two things: first bdrv_open only searches for protocols using find_protocol instead of all image formats and host drivers. We can easily move that to the caller and pass the found driver to bdrv_open. Second it is used to not force a read-write open of a snapshot file. But we never use bdrv_file_open to open snapshots and this behaviour doesn't make sense to start with. qemu-io abused the BDRV_O_FILE for it's growable option, switch it to using bdrv_file_open to make sure we only open files as growable were we can actually support that. This patch requires Kevin's "[PATCH] Replace calls of old bdrv_open" to be applied first. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-04-23Replace calls of old bdrv_openKevin Wolf11-35/+31
What is known today as bdrv_open2 becomes the new bdrv_open. All remaining callers of the old function are converted to the new one. In some places they even know the right format, so they should have used bdrv_open2 from the beginning. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-04-23qcow2: Fix creation of large imagesKevin Wolf1-10/+33
qcow_create2 assumes that the new image will only need one cluster for its refcount table initially. Obviously that's not true any more when the image is big enough (exact value depends on the cluster size). This patch calculates the refcount table size dynamically. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-04-23qcow2: Trigger blkdebug eventsKevin Wolf5-0/+125
This adds blkdebug events to qcow2 to allow injecting I/O errors in specific places. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-04-23blkdebug: Add events and rulesKevin Wolf4-1/+272
Block drivers can trigger a blkdebug event whenever they reach a place where it could be useful to inject an error for testing/debugging purposes. Rules are read from a blkdebug config file and describe which action is taken when an event is triggered. For now this is only injecting an error (with a few options) or changing the state (which is an integer). Rules can be declared to be active only in a specific state; this way later rules can distiguish on which path we came to trigger their event. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-04-23Make qemu-config available for toolsKevin Wolf4-21/+20
To be able to use config files for blkdebug, we need to make these functions available in the tools. This involves moving two functions that can only be built in the context of the emulator. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-04-23blkdebug: Inject errorsKevin Wolf1-0/+81
Add a mechanism to inject errors instead of passing requests on. With no further patches applied, you can use it by setting inject_errno in gdb. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-04-23blkdebug: Basic request passthroughKevin Wolf2-1/+105
This isn't doing anything interesting. It creates the blkdebug block driver as a protocol which just passes everything through to raw. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-04-23qemu-config: Make qemu_config_parse more genericKevin Wolf2-7/+13
qemu_config_parse gets the option groups as a parameter now instead of hardcoding the VM configuration groups. This way it can be used for other configurations, too. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-04-23qemu-config: qemu_read_config_file() reads the normal config fileKevin Wolf3-24/+28
Introduce a new function qemu_read_config_file which reads the VM configuration from a config file. Unlike qemu_config_parse it doesn't take a open file but a filename and reduces code duplication as a side effect. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-04-22audio/sdlaudio: remove unused variableSerge Ziryukin1-9/+2
Remove unused 'shift' variable spotted by clang. Also clean up aud_to_sdlfmt which used to get the value of shift. Signed-off-by: Serge Ziryukin <ftrvxmtrx@gmail.com> Signed-off-by: malc <av1474@comtv.ru>
2010-04-22bt-sdp: Fix an excessive ; and assignment of the wrong variableAndrzej Zaborowski1-2/+2
Problem-spotted-by: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Andrew Zaborowski <balrogg@gmail.com>
2010-04-22bt-l2cap: fix if statement with empty body, spotted by clangBlue Swirl1-3/+3
Fix clang error: CC bt-l2cap.o /src/qemu/hw/bt-l2cap.c:1000:41: error: if statement has empty body [-Wempty-body] /* TODO: Signal an error? */; This means that l2cap_sframe_in() may now get called. Signed-off-by: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Andrew Zaborowski <balrogg@gmail.com>
2010-04-21audio/alsa: Avoid snd_pcm_format_t vs audfmt_e mixupmalc1-5/+6
Spotted by Serge Ziryukin and based on his patch, thanks. Signed-off-by: malc <av1474@comtv.ru>
2010-04-20pci: fix pci_find_bus().Isaku Yamahata1-9/+16
When looking down child bus, it should look parent bridge's bus number, not child bus's. Optimized tail recursion and style fix. Cc: Blue Swirl <blauwirbel@gmail.com> Cc: "Michael S. Tsirkin" <mst@redhat.com> Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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