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video: omapfb: Use scnprintf() for avoiding potential buffer overflow
authorTakashi Iwai <tiwai@suse.de>
Wed, 11 Mar 2020 09:32:28 +0000 (10:32 +0100)
committerBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Fri, 20 Mar 2020 13:29:04 +0000 (14:29 +0100)
commitcc0f2cfb9543ddf59fe0cdf1467e80308c981c70
tree555eec5e1af5363e92058140ab97c4a9304e3f9btree | snapshot
parent27c9421736fea77687ab658f0ad01d6f338f303ecommit | diff
video: omapfb: 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>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200311093230.24900-2-tiwai@suse.de
drivers/video/fbdev/omap/omapfb_main.c diff | blob | history
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