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power: twl4030: Use scnprintf() for avoiding potential buffer overflow
authorTakashi Iwai <tiwai@suse.de>
Wed, 11 Mar 2020 09:08:18 +0000 (10:08 +0100)
committerSebastian Reichel <sebastian.reichel@collabora.com>
Wed, 11 Mar 2020 22:20:32 +0000 (23:20 +0100)
commit9027f6111ca40dcc703e1cf6129a73703ae299b7
treeb1aa752736209cfe0325cd4c409681a04b6a6ce0tree | snapshot
parent583b53ece0b0268c542a1eafadb62e3d4b0aab8ccommit | diff
power: twl4030: 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: Sebastian Reichel <sebastian.reichel@collabora.com>
drivers/power/supply/twl4030_charger.c diff | blob | history
Domain: System / Kernel;