[PATCH 2/3] fs: ubifs: Need to check return for being an error pointer

[Andrew Goodbody]

The return value from alloc_super can be an error pointer so the error
check needs to detect this as well as checking the pointer for being
NULL.

This issue was found by Smatch.

Signed-off-by: Andrew Goodbody <andrew.goodbody at linaro.org>
---
 fs/ubifs/super.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index 7718081f0937ce038f5237256caadc40630ae050..b6004b88f4ea215fbdd41ec97da5f28d1eb5e96c 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -2425,7 +2425,7 @@ retry:
 	if (!s) {
 		spin_unlock(&sb_lock);
 		s = alloc_super(type, flags);
-		if (!s)
+		if (IS_ERR_OR_NULL(s))
 			return ERR_PTR(-ENOMEM);
 #ifndef __UBOOT__
 		goto retry;

-- 
2.47.3