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soc: ti: knav_qmss_queue: Fix unbalanced locking ins knav_pool_create() 

Don't call mutex_unlock() in the error patch if the mutex_lock() is not called.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
This commit is contained in:
Axel Lin 2014-10-27 09:37:35 -07:00 committed by Santosh Shilimkar
parent 42813295df
commit ea6d4c07ca
1 changed files with 4 additions and 3 deletions
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7
drivers/soc/ti/knav_qmss_queue.c
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@ -785,7 +785,7 @@ void *knav_pool_create(const char *name,
dev_err(kdev->dev, "out of descs in region(%d) for pool(%s)\n",
region_id, name);
ret = -ENOMEM;
goto err;
goto err_unlock;
}
/* Region maintains a sorted (by region offset) list of pools
@ -815,15 +815,16 @@ void *knav_pool_create(const char *name,
dev_err(kdev->dev, "pool(%s) create failed: fragmented desc pool in region(%d)\n",
name, region_id);
ret = -ENOMEM;
goto err;
goto err_unlock;
}
mutex_unlock(&knav_dev_lock);
kdesc_fill_pool(pool);
return pool;
err:
err_unlock:
mutex_unlock(&knav_dev_lock);
err:
kfree(pool->name);
devm_kfree(kdev->dev, pool);
return ERR_PTR(ret);