[ACPI] drivers/acpi/hotkey.c: check kmalloc return value

Signed-off-by: Irwan Djajadi <irwan.djajadi@iname.com>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/acpi/hotkey.c b/drivers/acpi/hotkey.c
index 2e2e4051dfa7..c25b2b92edcf 100644
--- a/drivers/acpi/hotkey.c
+++ b/drivers/acpi/hotkey.c
@@ -723,6 +723,8 @@ get_parms(char *config_record,
                 goto do_fail;
         count = tmp1 - tmp;
         *action_handle = (char *)kmalloc(count + 1, GFP_KERNEL);
+        if (!*action_handle)
+                goto do_fail;
         strncpy(*action_handle, tmp, count);
         *(*action_handle + count) = 0;