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ALSA: echoaudio - Eliminate use after free
authorJulia Lawall <julia@diku.dk>
Fri, 2 Apr 2010 12:47:59 +0000 (14:47 +0200)
committerTakashi Iwai <tiwai@suse.de>
Sun, 4 Apr 2010 10:21:42 +0000 (12:21 +0200)
commita0fd4345f928d72a56e27b23e4cd28c94bf36be5
treec4eb9cbfebfb66bd68ab4070285f9f1920dd4627tree
parentf11947c7c5b8abffd328739996dfdffef2b3e03fcommit | diff
ALSA: echoaudio - Eliminate use after free

Use the call to snd_card_free in the error handling code at the end of the
function, as in the other error cases.

A simplified version of the semantic patch that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
expression E,E2;
@@

snd_card_free(E)
...
(
  E = E2
|
* E
)
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/pci/echoaudio/echoaudio.c diff | blob | blame | history
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