[media] s5p-fimc: add unlock on error path

There was an unlock missing if kzalloc() failed.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 7 insertions, 4 deletions

diff --git a/drivers/media/video/s5p-fimc/fimc-core.c b/drivers/media/video/s5p-fimc/fimc-core.c
index 4b655461d399..2e7c547894b6 100644
--- a/drivers/media/video/s5p-fimc/fimc-core.c
+++ b/drivers/media/video/s5p-fimc/fimc-core.c
@@ -1320,16 +1320,18 @@ 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;
@@ -1349,6 +1351,7 @@ static int fimc_m2m_open(struct file *file)
                 kfree(ctx);
         }
 
+err_unlock:
         mutex_unlock(&fimc->lock);
         return err;
 }