]> git.baikalelectronics.ru Git - kernel.git/commit
mmc: vub300: Use scnprintf() for avoiding potential buffer overflow
authorTakashi Iwai <tiwai@suse.de>
Wed, 11 Mar 2020 08:04:39 +0000 (09:04 +0100)
committerUlf Hansson <ulf.hansson@linaro.org>
Tue, 24 Mar 2020 13:39:52 +0000 (14:39 +0100)
commita58f1a2ac11616a0f86dc8d60eab58711cca326b
treef6bd006df2656035d34d8de30f9d8087e2de9663
parent36f4883734b2ced29a4232a75237f14283b69dc9
mmc: vub300: 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/20200311080439.13928-1-tiwai@suse.de
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
drivers/mmc/host/vub300.c