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staging: greybus: audio_manager: fix a missing check of ida_simple_get

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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>
This commit is contained in:
Kangjie Lu 2019-03-14 01:45:24 -05:00 committed by Greg Kroah-Hartman
parent d5cac52c09
commit b5af36e3e5
1 changed files with 3 additions and 0 deletions
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3
drivers/staging/greybus/audio_manager.c
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@ -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) {