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>

diff --git a/arch/tile/kernel/hardwall.c b/arch/tile/kernel/hardwall.c
index 7bf0627b733dde1c5b259c8959480d13dd475bfb..584b965dc82455e16df1597d1abef680c0a1929d 100644 (file)
--- 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. */