scsi: ipr: Use scnprintf() for avoiding potential buffer overflow

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Since snprintf() returns the would-be-output size instead of the actual
output size, the succeeding calls may go beyond the given buffer limit.
Fix it by replacing with scnprintf().

Link: https://lore.kernel.org/r/20200315094241.9086-6-tiwai@suse.de
Cc: "James E . J . Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K . Petersen" <martin.petersen@oracle.com>
Cc: Brian King <brking@us.ibm.com>
Cc: linux-scsi@vger.kernel.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

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Takashi Iwai 2020-03-15 10:42:38 +01:00 • committed by Martin K. Petersen

parent 473e554d65

commit 6f0cf42474

1 changed files with 3 additions and 3 deletions

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drivers/scsi/ipr.c

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