Patchwork [37/75] ALSA: compress: fix the return value for SNDRV_COMPRESS_VERSION

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Submitter Luis Henriques
Date Aug. 14, 2013, 10:36 a.m.
Message ID <1376476624-10011-38-git-send-email-luis.henriques@canonical.com>
Download mbox | patch
Permalink /patch/267072/
State New
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Luis Henriques - Aug. 14, 2013, 10:36 a.m.
3.5.7.19 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Vinod Koul <vinod.koul@intel.com>

commit a8d30608eaed6cc759b8e2e8a8bbbb42591f797f upstream.

the return value of SNDRV_COMPRESS_VERSION always return default -ENOTTY as the
return value was never updated for this call
assign return value from put_user()

Reported-by: Haynes <hgeorge@codeaurora.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
---
 sound/core/compress_offload.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch

diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c
index 54b422e..956c75d 100644
--- a/sound/core/compress_offload.c
+++ b/sound/core/compress_offload.c
@@ -584,7 +584,7 @@  static long snd_compr_ioctl(struct file *f, unsigned int cmd, unsigned long arg)
 	mutex_lock(&stream->device->lock);
 	switch (_IOC_NR(cmd)) {
 	case _IOC_NR(SNDRV_COMPRESS_IOCTL_VERSION):
-		put_user(SNDRV_COMPRESS_VERSION,
+		retval = put_user(SNDRV_COMPRESS_VERSION,
 				(int __user *)arg) ? -EFAULT : 0;
 		break;
 	case _IOC_NR(SNDRV_COMPRESS_GET_CAPS):