[media] coda: check kasprintf return value in coda_open

kasprintf might fail if free memory is low.

Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c
index ddbed9b4ae41..c82ce562d95a 100644
--- a/drivers/media/platform/coda/coda-common.c
+++ b/drivers/media/platform/coda/coda-common.c
@@ -1628,6 +1628,11 @@ static int coda_open(struct file *file)
         set_bit(idx, &dev->instance_mask);
 
         name = kasprintf(GFP_KERNEL, "context%d", idx);
+        if (!name) {
+                ret = -ENOMEM;
+                goto err_coda_name_init;
+        }
+
         ctx->debugfs_entry = debugfs_create_dir(name, dev->debugfs_root);
         kfree(name);
 
@@ -1742,6 +1747,7 @@ err_pm_get:
         v4l2_fh_del(&ctx->fh);
         v4l2_fh_exit(&ctx->fh);
         clear_bit(ctx->idx, &dev->instance_mask);
+err_coda_name_init:
 err_coda_max:
         kfree(ctx);
         return ret;