[patch v2] f2fs: alloc_page() doesn't return an ERR_PTR

[Dan Carpenter <dan.carpenter@oracle.com>]

alloc_page() returns a NULL on failure, it never returns an ERR_PTR.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
v2: fix the calls in recovery.c as well.

diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index f5172e2..3e87fe0 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1515,8 +1515,8 @@ int restore_node_summary(struct f2fs_sb_info *sbi,
 
 	/* alloc temporal page for read node */
 	page = alloc_page(GFP_NOFS | __GFP_ZERO);
-	if (IS_ERR(page))
-		return PTR_ERR(page);
+	if (!page)
+		return -ENOMEM;
 	lock_page(page);
 
 	/* scan the node segment */
diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index 639eb34..889b4bd 100644
--- a/fs/f2fs/recovery.c
+++ b/fs/f2fs/recovery.c
@@ -129,8 +129,8 @@ static int find_fsync_dnodes(struct f2fs_sb_info *sbi, struct list_head *head)
 
 	/* read node page */
 	page = alloc_page(GFP_F2FS_ZERO);
-	if (IS_ERR(page))
-		return PTR_ERR(page);
+	if (!page)
+		return -ENOMEM;
 	lock_page(page);
 
 	while (1) {
@@ -367,7 +367,7 @@ static int recover_data(struct f2fs_sb_info *sbi,
 
 	/* read node page */
 	page = alloc_page(GFP_NOFS | __GFP_ZERO);
-	if (IS_ERR(page))
+	if (!page)
 		return -ENOMEM;
 
 	lock_page(page);