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ALSA: seq: fix passing wrong pointer in function call of compatibility layer

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This commit is a fix for Linux 4.9-rc1.

In former commit, a function call of compatibility layer for ALSA sequencer
core was obsoleted by an alternative. Although, the alternative gets a
pointer to kernel stack due to mis-programming. As a result, ALSA sequencer
core unexpectedly refers over kernel stack.

Reported-by: Dan Carpenter <[email protected]>
Fixes: 8ce8eb601c ("ALSA: seq: add an alternative way to handle ioctl requests")
Signed-off-by: Takashi Sakamoto <[email protected]>
Signed-off-by: Takashi Iwai <[email protected]>
This commit is contained in:
Takashi Sakamoto 2016-10-12 09:05:50 +09:00 • committed by Takashi Iwai
commit 30c0702246
1 changed files with 1 additions and 1 deletions
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2
sound/core/seq/seq_compat.c
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@ -58,7 +58,7 @@ static int snd_seq_call_port_info_ioctl(struct snd_seq_client *client, unsigned
goto error;
data->kernel = NULL;
err = snd_seq_kernel_client_ctl(client->number, cmd, &data);
err = snd_seq_kernel_client_ctl(client->number, cmd, data);
if (err < 0)
goto error;