diff options
| author | Takashi Iwai <tiwai@suse.de> | 2020-03-11 09:47:10 +0100 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2020-03-12 15:43:37 +0200 |
| commit | 68b02e0c512b3cd8dc18877d5fbe259687bccaec (patch) | |
| tree | 81f4985e977600ef6a81017a61c29826bf51f324 /drivers/net/wireless/broadcom | |
| parent | 5cb5b4759cf6febe49bf23b7a0f362ac37e21b01 (diff) | |
b43: 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: b43-dev@lists.infradead.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/broadcom')
| -rw-r--r-- | drivers/net/wireless/broadcom/b43/debugfs.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/broadcom/b43/debugfs.c b/drivers/net/wireless/broadcom/b43/debugfs.c index 1325727a74ed..dc1819ca52ac 100644 --- a/drivers/net/wireless/broadcom/b43/debugfs.c +++ b/drivers/net/wireless/broadcom/b43/debugfs.c @@ -51,7 +51,7 @@ struct b43_dfs_file *fops_to_dfs_file(struct b43_wldev *dev, #define fappend(fmt, x...) \ do { \ if (bufsize - count) \ - count += snprintf(buf + count, \ + count += scnprintf(buf + count, \ bufsize - count, \ fmt , ##x); \ else \ |