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(parent: 91124ac) | patch
dmaengine: ppc4xx: Use scnprintf() for avoiding potential buffer overflow
authorTakashi Iwai <tiwai@suse.de>
Wed, 11 Mar 2020 07:16:06 +0000 (08:16 +0100)
committerVinod Koul <vkoul@kernel.org>
Wed, 11 Mar 2020 09:40:45 +0000 (15:10 +0530)
commit3a5a8a27545ddd8bbdcc9241230a2eed4e81c931
tree4653fe3db4a5f98e100289db3b8d4d537289121btree | snapshot
parent91124ac61216ed29405d96a29ec914624b196a79commit | diff
dmaengine: ppc4xx: Use scnprintf() for avoiding potential buffer overflow

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().

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20200311071606.4485-1-tiwai@suse.de
Signed-off-by: Vinod Koul <vkoul@kernel.org>
drivers/dma/ppc4xx/adma.c diff | blob | history
Domain: System / Kernel;