mtd: docg3: Fix passing zero to 'PTR_ERR' warning in doc_probe_device

Fix a static code checker warning:
drivers/mtd/devices/docg3.c:1875
 doc_probe_device() warn: passing zero to 'ERR_PTR'

Fixes: ae9d4934b2d7 ("mtd: docg3: add multiple floor support")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Boris Brezillon <bbrezillon@kernel.org>

diff --git a/drivers/mtd/devices/docg3.c b/drivers/mtd/devices/docg3.c
index 4c94fc0966964b8c15aefc086cd5ecb8174f7d27..60ddc38a54314c36ea86a77fcf64be0b6b4b8acd 100644 (file)
--- a/drivers/mtd/devices/docg3.c
+++ b/drivers/mtd/devices/docg3.c
@@ -1872,7 +1872,7 @@ nomem3:
 nomem2:
        kfree(docg3);
 nomem1:
-       return ERR_PTR(ret);
+       return ret ? ERR_PTR(ret) : NULL;
 }
 
 /**