diff options
| author | Lu Guanqun <guanqun.lu@intel.com> | 2011-08-19 16:05:25 +0800 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2011-08-19 10:41:26 +0200 |
| commit | 29880e8c66cfdc584e01aa549037f76b081b5019 (patch) | |
| tree | 76efefa842d902970d759b8030b000dde9e050d1 | |
| parent | 78dbc57b9918a5c0a29eb70f36af6d21b9471e9d (diff) | |
| download | alsa-lib-29880e8c66cfdc584e01aa549037f76b081b5019.tar.gz | |
ucm: fix seg fault in execute_cset()
When there's no space in 'cset', 'pos' gets NULL, dereferencing 'pos' gets a
seg fault. We need to be more robust.
Signed-off-by: Lu Guanqun <guanqun.lu@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
| -rw-r--r-- | src/ucm/main.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/ucm/main.c b/src/ucm/main.c index 8e9a85d2..9ecbe435 100644 --- a/src/ucm/main.c +++ b/src/ucm/main.c @@ -196,7 +196,8 @@ static int execute_cset(snd_ctl_t *ctl, char *cset) goto __fail; err = 0; __fail: - *pos = ' '; + if (pos != NULL) + *pos = ' '; if (id != NULL) free(id); |