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scsi: scsi_debug: Negate wrapped memcmp() result
comp_write_worker() returns true when the compared data matches.
memcmp() returns zero for equal data and non-zero for different data, so
its result must be negated before it is stored in a bool.
The first segment already uses !memcmp(), but the wrapped segment uses
memcmp() directly, reversing the match result. Use !memcmp() there as
well.
Fixes: 38d5c8336e ("scsi_debug: add Report supported opcodes+tmfs; Compare and write")
Cc: stable@vger.kernel.org
Signed-off-by: Xu Rao <raoxu@uniontech.com>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Link: https://patch.msgid.link/E5AD42E9C0E18633+20260803095328.3445311-1-raoxu@uniontech.com
Signed-off-by: Martin K. Petersen (Oracle) <mkp@kernel.org>
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