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authorKangjie Lu <kjlu@umn.edu>2019-03-14 01:45:24 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-03-29 17:28:48 +0100
commitb5af36e3e5aa074605a4d90a89dd8f714b30909b (patch)
tree68dd101bf05f1b2c84cf8d47bf88cc9a468329df /drivers/staging/greybus
parentd5cac52c092ad9f97f00dc0647ad65ad795c97bc (diff)
downloadblackbird-op-linux-b5af36e3e5aa074605a4d90a89dd8f714b30909b.tar.gz
blackbird-op-linux-b5af36e3e5aa074605a4d90a89dd8f714b30909b.zip
staging: greybus: audio_manager: fix a missing check of ida_simple_get
ida_simple_get could fail. The fix inserts a check for its return value. Signed-off-by: Kangjie Lu <kjlu@umn.edu> Reviewed-by: Vaibhav Agarwal <vaibhav.sr@gmail.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/greybus')
-rw-r--r--drivers/staging/greybus/audio_manager.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/staging/greybus/audio_manager.c b/drivers/staging/greybus/audio_manager.c
index d44b070d8862..c2a4af4c1d06 100644
--- a/drivers/staging/greybus/audio_manager.c
+++ b/drivers/staging/greybus/audio_manager.c
@@ -45,6 +45,9 @@ int gb_audio_manager_add(struct gb_audio_manager_module_descriptor *desc)
int err;
id = ida_simple_get(&module_id, 0, 0, GFP_KERNEL);
+ if (id < 0)
+ return id;
+
err = gb_audio_manager_module_create(&module, manager_kset,
id, desc);
if (err) {
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