Patch "ALSA: pcm: potential uninitialized return values" has been added to the 4.15-stable tree

This is a note to let you know that I've just added the patch titled

ALSA: pcm: potential uninitialized return values

to the 4.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
alsa-pcm-potential-uninitialized-return-values.patch
and it can be found in the queue-4.15 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: Dan Carpenter <[email protected]>
Date: Tue, 27 Mar 2018 16:07:52 +0300
Subject: ALSA: pcm: potential uninitialized return values

From: Dan Carpenter <[email protected]>

commit 5607dddbfca774fb38bffadcb077fe03aa4ac5c6 upstream.

Smatch complains that "tmp" can be uninitialized if we do a zero size write.

---
 sound/core/oss/pcm_oss.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

@@ -1326,7 +1326,7 @@ static ssize_t snd_pcm_oss_write2(struct
 static ssize_t snd_pcm_oss_write1(struct snd_pcm_substream *substream, const char __user *buf, size_t bytes)
 {
 	size_t xfer = 0;
-	ssize_t tmp;
+	ssize_t tmp = 0;
 	struct snd_pcm_runtime *runtime = substream->runtime;
 
 	if (atomic_read(&substream->mmap_count))

@@ -1433,7 +1433,7 @@ static ssize_t snd_pcm_oss_read2(struct
 static ssize_t snd_pcm_oss_read1(struct snd_pcm_substream *substream, char __user *buf, size_t bytes)
 {
 	size_t xfer = 0;
-	ssize_t tmp;
+	ssize_t tmp = 0;
 	struct snd_pcm_runtime *runtime = substream->runtime;
 
 	if (atomic_read(&substream->mmap_count))

Patches currently in stable-queue which might be from [email protected] are

queue-4.15/alsa-pcm-potential-uninitialized-return-values.patch