[patch 1/3] V4L/DVB: s5p-fimc: add unlock on error path

[Dan Carpenter]

There was an unlock missing if kzalloc() failed.

Signed-off-by: Dan Carpenter <erro...@gmail.com>

diff --git a/drivers/media/video/s5p-fimc/fimc-core.c 
b/drivers/media/video/s5p-fimc/fimc-core.c
index 1802701..8335045 100644
--- a/drivers/media/video/s5p-fimc/fimc-core.c
+++ b/drivers/media/video/s5p-fimc/fimc-core.c
@@ -1326,16 +1326,18 @@ static int fimc_m2m_open(struct file *file)
         * is already opened.
         */
        if (fimc->vid_cap.refcnt > 0) {
-               mutex_unlock(&fimc->lock);
-               return -EBUSY;
+               err = -EBUSY;
+               goto err_unlock;
        }
 
        fimc->m2m.refcnt++;
        set_bit(ST_OUTDMA_RUN, &fimc->state);
 
        ctx = kzalloc(sizeof *ctx, GFP_KERNEL);
-       if (!ctx)
-               return -ENOMEM;
+       if (!ctx) {
+               err = -ENOMEM;
+               goto err_unlock;
+       }
 
        file->private_data = ctx;
        ctx->fimc_dev = fimc;
@@ -1355,6 +1357,7 @@ static int fimc_m2m_open(struct file *file)
                kfree(ctx);
        }
 
+err_unlock:
        mutex_unlock(&fimc->lock);
        return err;
 }
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