mtd: cfi: remove unneeded NULL checks

In cfi_intelext_setup and cfi_amdstd_setup, mtd is never NULL.
Remove unnecessary checks.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

drivers/mtd/chips/cfi_cmdset_0001.c

@@ -615,10 +615,8 @@ static struct mtd_info *cfi_intelext_setup(struct mtd_info *mtd)
 	return mtd;
 
  setup_err:
-	if(mtd) {
-		kfree(mtd->eraseregions);
-		kfree(mtd);
-	}
+	kfree(mtd->eraseregions);
+	kfree(mtd);
 	kfree(cfi->cmdset_priv);
 	return NULL;
 }

drivers/mtd/chips/cfi_cmdset_0002.c

@@ -494,10 +494,8 @@ static struct mtd_info *cfi_amdstd_setup(struct mtd_info *mtd)
 	return mtd;
 
  setup_err:
-	if(mtd) {
-		kfree(mtd->eraseregions);
-		kfree(mtd);
-	}
+	kfree(mtd->eraseregions);
+	kfree(mtd);
 	kfree(cfi->cmdset_priv);
 	kfree(cfi->cfiq);
 	return NULL;