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pcm_direct: fix SEGFAULT when getgrnam_r() returns 0 and pgrp is NULL

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Signed-off-by: Krzysztof Halasa <khalasa@piap.pl>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Krzysztof Hałasa 2013-06-14 13:59:38 +02:00 • committed by Jaroslav Kysela
parent c91785e002
commit 9d6736c9a2
1 changed files with 1 additions and 1 deletions
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2
src/pcm/pcm_direct.c
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@ -1650,7 +1650,7 @@ int snd_pcm_direct_parse_open_conf(snd_config_t *root, snd_config_t *conf,
if (buffer == NULL)
return -ENOMEM;
int st = getgrnam_r(group, &grp, buffer, len, &pgrp);
if (st != 0) {
if (st != 0 || !pgrp) {
SNDERR("The field ipc_gid must be a valid group (create group %s)", group);
free(buffer);
return -EINVAL;