Wenwen Wang 6c4a536ca9 ALSA: hda - Fix a memory leak bug
commit cfef67f016 upstream.

In snd_hda_parse_generic_codec(), 'spec' is allocated through kzalloc().
Then, the pin widgets in 'codec' are parsed. However, if the parsing
process fails, 'spec' is not deallocated, leading to a memory leak.

To fix the above issue, free 'spec' before returning the error.

Fixes: 352f7f914e ("ALSA: hda - Merge Realtek parser code to generic parser")
Signed-off-by: Wenwen Wang <wenwen@cs.uga.edu>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-08-25 10:47:48 +02:00
2019-08-16 10:12:49 +02:00
2019-08-25 10:47:48 +02:00
2019-08-16 10:12:54 +02:00

Linux kernel
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