Commit 02e43144 authored by Jiri Slaby's avatar Jiri Slaby Committed by Greg Kroah-Hartman
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mxser: make xmit ring buffer variables unsigned 



Make the xmit ring buffer pointers and counter (xmit_head, xmit_tail,
xmit_cnt) unsigned. Now, the assumptions for the compiler are clear --
they cannot be negative.

Signed-off-by: default avatarJiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20210618061516.662-20-jslaby@suse.cz


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent a93963e4

drivers/tty/mxser.c

+3 −3
Original line number Diff line number Diff line
@@ -351,9 +351,9 @@ struct mxser_port { 
	u8 read_status_mask;

	u8 ignore_status_mask;

	u8 xmit_fifo_size;

	int xmit_head;

	int xmit_tail;

	int xmit_cnt;

	unsigned int xmit_head;

	unsigned int xmit_tail;

	unsigned int xmit_cnt;

	int closing;



	struct ktermios normal_termios;