Add check for the return value of alloc_ordered_workqueue as it may return
NULL pointer.
Moreover, use the destroy_workqueue in the later fails in order to avoid
memory leak.
Signed-off-by: Jiasheng Jiang <jiasheng@xxxxxxxxxxx>
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Changelog:
v1 -> v2:
1. Convert "goto err_destroy_workqueue" into "goto err_msm_unit" and
remove "err_destroy_workqueue" label.
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drivers/gpu/drm/msm/msm_drv.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)