[patch] efi: remove "kfree(NULL)"

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No need to free a NULL pointer.

Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

diff --git a/drivers/firmware/efi/efivars.c b/drivers/firmware/efi/efivars.c
index 66928a3..7067b56 100644
--- a/drivers/firmware/efi/efivars.c
+++ b/drivers/firmware/efi/efivars.c
@@ -420,10 +420,8 @@ efivar_create_sysfs_entry(struct efivar_entry *new_var)
 
 	short_name = kzalloc(short_name_size, GFP_KERNEL);
 
-	if (!short_name) {
-		kfree(short_name);
+	if (!short_name)
 		return 1;
-	}
 
 	/* Convert Unicode to normal chars (assume top bits are 0),
 	   ala UTF-8 */
--
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