alsa/0048-mixer-Fix-missing-hctl-handle-free-in-snd_mixer_atta.patch
Takashi Iwai 84789a8f60 Accepting request 257835 from home:tiwai:branches:multimedia:libs
- Backport upstream fixes / enhancements: mostly small fixes
  spotted by coccinelle and oethers, the fixes for proper rewind
  support, a new DSD format support, hwdep definitions sync, and
  addition of PAZ00 UCM configs.
  0022-pcm-fix-snd_pcm_mmap_hw_avail-near-the-boundary.patch
  0023-pcm-fix-return-value-of-snd_pcm_share_slave_avail.patch
  0024-pcm-add-new-32-bit-DSD-sample-format.patch
  0025-dmix-actually-rewind-when-running-or-being-drained.patch
  0026-pcm-express-the-rewind-size-limitation-logic-better.patch
  0027-pcm-handle-negative-values-from-snd_pcm_mmap_hw_avai.patch
  0028-pcm-rate-use-the-snd_pcm_mmap_hw_avail-function.patch
  0029-pcm-null-use-the-snd_pcm_mmap_avail-function.patch
  0030-rate-handle-negative-values-from-snd_pcm_mmap_playba.patch
  0031-dsnoop-rewindable-and-forwardable-logic-was-swapped.patch
  0033-pcm-file-don-t-recurse-in-the-rewindable-and-forward.patch
  0034-pcm-route-Fix-the-bad-condition-always-false.patch
  0035-pcm-rate-hw_avail-must-not-be-negative-before-starti.patch
  0036-hwdep-add-missing-declaration-for-snd_hwdep_poll_des.patch
  0037-mixer-fixed-double-free.patch
  0038-pcm_file-fixed-missing-free.patch
  0039-sbase-fixed-missing-free.patch
  0040-rawmidi-close-handle-h.patch
  0041-pcm_share-fixing-missing-mutex-unlock.patch
  0042-simple_abst-null-check-for-lib.patch
  0043-socket-missing-socket-close.patch
  0044-pcm_hooks-null-check-for-h.patch
  0045-conf-return-negative-value-in-case-of-error.patch
  0046-control-return-negative-value-in-case-of-error.patch
  0047-pcm-return-negative-value-in-case-of-error.patch
  0048-mixer-Fix-missing-hctl-handle-free-in-snd_mixer_atta.patch

OBS-URL: https://build.opensuse.org/request/show/257835
OBS-URL: https://build.opensuse.org/package/show/multimedia:libs/alsa?expand=0&rev=170
2014-10-21 07:48:48 +00:00

45 lines
1.2 KiB
Diff

From 7c1f36dbcbe8d60c6f90cbcf7e2e801cacbcd535 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Tue, 23 Sep 2014 09:11:27 +0200
Subject: [PATCH] mixer: Fix missing hctl handle free in
snd_mixer_attach_hctl()
Yet another missing piece.
Also, update the function document to warn about the behavior at
error.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
src/mixer/mixer.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/src/mixer/mixer.c b/src/mixer/mixer.c
index eee9875b44fb..3a79c8e91efb 100644
--- a/src/mixer/mixer.c
+++ b/src/mixer/mixer.c
@@ -214,6 +214,8 @@ int snd_mixer_attach(snd_mixer_t *mixer, const char *name)
* \param mixer Mixer handle
* \param hctl the HCTL to be attached
* \return 0 on success otherwise a negative error code
+ *
+ * Upon error, this function closes the given hctl handle automatically.
*/
int snd_mixer_attach_hctl(snd_mixer_t *mixer, snd_hctl_t *hctl)
{
@@ -222,8 +224,10 @@ int snd_mixer_attach_hctl(snd_mixer_t *mixer, snd_hctl_t *hctl)
assert(hctl);
slave = calloc(1, sizeof(*slave));
- if (slave == NULL)
+ if (slave == NULL) {
+ snd_hctl_close(hctl);
return -ENOMEM;
+ }
err = snd_hctl_nonblock(hctl, 1);
if (err < 0) {
snd_hctl_close(hctl);
--
2.1.2