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authorTakashi Iwai <tiwai@suse.de>2024-02-20 18:08:43 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-03-06 17:48:39 +0300
commitbb06ffbf3862fbe7ba2572db2c249d374c558cc7 (patch)
tree227f6bd1f3ce5bc652362fa2b4fc24f31a5e67aa
parent22df6ff560c5621a957fb45489a053d8d861373a (diff)
downloadlinux-bb06ffbf3862fbe7ba2572db2c249d374c558cc7.tar.xz
ALSA: ump: Fix the discard error code from snd_ump_legacy_open()
commit 49cbb7b7d36ec3ba73ce1daf7ae1d71d435453b8 upstream. snd_ump_legacy_open() didn't return the error code properly even if it couldn't open. Fix it. Fixes: 0b5288f5fe63 ("ALSA: ump: Add legacy raw MIDI support") Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20240220150843.28630-1-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--sound/core/ump.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/sound/core/ump.c b/sound/core/ump.c
index 3bef1944e955..fe7911498cc4 100644
--- a/sound/core/ump.c
+++ b/sound/core/ump.c
@@ -985,7 +985,7 @@ static int snd_ump_legacy_open(struct snd_rawmidi_substream *substream)
struct snd_ump_endpoint *ump = substream->rmidi->private_data;
int dir = substream->stream;
int group = ump->legacy_mapping[substream->number];
- int err;
+ int err = 0;
mutex_lock(&ump->open_mutex);
if (ump->legacy_substreams[dir][group]) {
@@ -1009,7 +1009,7 @@ static int snd_ump_legacy_open(struct snd_rawmidi_substream *substream)
spin_unlock_irq(&ump->legacy_locks[dir]);
unlock:
mutex_unlock(&ump->open_mutex);
- return 0;
+ return err;
}
static int snd_ump_legacy_close(struct snd_rawmidi_substream *substream)