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authorArnd Bergmann <arnd@arndb.de>2017-07-14 14:06:59 +0200
committerMartin K. Petersen <martin.petersen@oracle.com>2017-08-07 14:04:02 -0400
commit345ebae7d0586d2f945b622f67f4027515ec4d40 (patch)
treec3caabad3c619279b67892253c02c4030908e8c9 /drivers/message
parent514e59c1195f2634dab025d952242f5e69e052c7 (diff)
downloadlinux-345ebae7d0586d2f945b622f67f4027515ec4d40.tar.bz2
scsi: gdth: increase the procfs event buffer size
We print a 256 byte event string into a buffer that is only 161 bytes long, this is clearly wrong: drivers/scsi/gdth_proc.c: In function 'gdth_show_info': drivers/scsi/gdth.c:3660:41: error: '%s' directive writing up to 255 bytes into a region of size between 141 and 150 [-Werror=format-overflow=] sprintf(buffer,"Adapter %d: %s\n", ^~ /git/arm-soc/drivers/scsi/gdth.c:3660:13: note: 'sprintf' output between 13 and 277 bytes into a destination of size 161 sprintf(buffer,"Adapter %d: %s\n", ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ dvr->eu.async.ionode,dvr->event_string); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ gcc calculates that the worst case buffer size would be 277 bytes, so we can use that. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/message')
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