From e46dcbb17d790008a12b1c18f6235d03d1dd635b Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Wed, 30 May 2018 13:36:55 +0300 Subject: [PATCH] ALSA: xen-front: freeing an error pointer kfree() doesn't accept error pointers so I've set "str" to NULL on these paths. Fixes: fd3b36045c2c ("ALSA: xen-front: Read sound driver configuration from Xen store") Signed-off-by: Dan Carpenter Reviewed-by: Oleksandr Andrushchenko Signed-off-by: Takashi Iwai --- sound/xen/xen_snd_front_cfg.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sound/xen/xen_snd_front_cfg.c b/sound/xen/xen_snd_front_cfg.c index 684b5f1d51ac..eda077c8087a 100644 --- a/sound/xen/xen_snd_front_cfg.c +++ b/sound/xen/xen_snd_front_cfg.c @@ -306,6 +306,7 @@ static int cfg_get_stream_type(const char *path, int index, str = xenbus_read(XBT_NIL, stream_path, XENSND_FIELD_TYPE, NULL); if (IS_ERR(str)) { ret = PTR_ERR(str); + str = NULL; goto fail; } @@ -347,6 +348,7 @@ static int cfg_stream(struct xen_snd_front_info *front_info, str = xenbus_read(XBT_NIL, stream_path, XENSND_FIELD_TYPE, NULL); if (IS_ERR(str)) { ret = PTR_ERR(str); + str = NULL; goto fail; }