sony-laptop: handle allocation failures

Return -ENOMEM if kzalloc() fails.  The callers already handle error
returns.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
index 363b89ef61cc..bd1b9adfbaf9 100644
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -768,6 +768,8 @@ static int sony_nc_handles_setup(struct platform_device *pd)
         int result;
 
         handles = kzalloc(sizeof(*handles), GFP_KERNEL);
+        if (!handles)
+                return -ENOMEM;
 
         sysfs_attr_init(&handles->devattr.attr);
         handles->devattr.attr.name = "handles";
@@ -1458,6 +1460,8 @@ static int sony_nc_kbd_backlight_setup(struct platform_device *pd)
                 return 0;
 
         kbdbl_handle = kzalloc(sizeof(*kbdbl_handle), GFP_KERNEL);
+        if (!kbdbl_handle)
+                return -ENOMEM;
 
         sysfs_attr_init(&kbdbl_handle->mode_attr.attr);
         kbdbl_handle->mode_attr.attr.name = "kbd_backlight";