arch/tile: check kmalloc() result

If kmalloc() fails exit with -ENOMEM.

Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
Acked-by: Chris Metcalf <cmetcalf@tilera.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/tile/kernel/hardwall.c b/arch/tile/kernel/hardwall.c
index 7bf0627b733d..584b965dc824 100644
--- a/arch/tile/kernel/hardwall.c
+++ b/arch/tile/kernel/hardwall.c
@@ -364,6 +364,8 @@ static struct hardwall_info *hardwall_create(
         /* Allocate a new rectangle optimistically. */
         rect = kmalloc(sizeof(struct hardwall_info),
                         GFP_KERNEL | __GFP_ZERO);
+        if (rect == NULL)
+                return ERR_PTR(-ENOMEM);
         INIT_LIST_HEAD(&rect->task_head);
 
         /* Compute the rectangle size and validate that it's plausible. */