diff options
| author | Takashi Iwai <tiwai@suse.de> | 2020-03-11 09:47:09 +0100 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2020-03-12 15:43:36 +0200 |
| commit | 5cb5b4759cf6febe49bf23b7a0f362ac37e21b01 (patch) | |
| tree | 12ad18c111577972925a9121c015c6eda27c06ca | |
| parent | 32521a913852a730a2017e6552495e1facacdd8b (diff) | |
carl9170: 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().
Cc: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| -rw-r--r-- | drivers/net/wireless/ath/carl9170/debug.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/carl9170/debug.c b/drivers/net/wireless/ath/carl9170/debug.c index a9b6dc17e408..19009aafc4e1 100644 --- a/drivers/net/wireless/ath/carl9170/debug.c +++ b/drivers/net/wireless/ath/carl9170/debug.c @@ -45,7 +45,7 @@ #include "cmd.h" #define ADD(buf, off, max, fmt, args...) \ - off += snprintf(&buf[off], max - off, fmt, ##args); + off += scnprintf(&buf[off], max - off, fmt, ##args); struct carl9170_debugfs_fops { |