dell-laptop: fix error return code in dell_init()

Fix to return -ENOMEM in the alloc_page() error handling
case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
index 1134119521ac..bb77e18b3dd4 100644
--- a/drivers/platform/x86/dell-laptop.c
+++ b/drivers/platform/x86/dell-laptop.c
@@ -551,9 +551,10 @@ static int __init dell_init(void)
          * is passed to SMI handler.
          */
         bufferpage = alloc_page(GFP_KERNEL | GFP_DMA32);
-
-        if (!bufferpage)
+        if (!bufferpage) {
+                ret = -ENOMEM;
                 goto fail_buffer;
+        }
         buffer = page_address(bufferpage);
 
         if (quirks && quirks->touchpad_led)