staging: rtl8723bs: 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().

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20200311092451.23933-4-tiwai@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Takashi Iwai 2020-03-11 10:24:51 +01:00 • committed by Greg Kroah-Hartman

parent 39ddadf14d

commit 038341dc5f

2 changed files with 9 additions and 9 deletions

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14

drivers/staging/rtl8723bs/core/rtw_wlan_util.c

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4

drivers/staging/rtl8723bs/os_dep/ioctl_linux.c

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