[patch] aio: checking for NULL instead of IS_ERR

[Dan Carpenter]

alloc_anon_inode() returns an ERR_PTR(), it doesn't return NULL.

Fixes: 71ad7490c1f3 ('rework aio migrate pages to use aio fs')
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

diff --git a/fs/aio.c b/fs/aio.c
index bf8d080..699f53e 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -164,8 +164,8 @@ static struct file *aio_private_file(struct kioctx *ctx, loff_t nr_pages)
 	struct file *file;
 	struct path path;
 	struct inode *inode = alloc_anon_inode(aio_mnt->mnt_sb);
-	if (!inode)
-		return ERR_PTR(-ENOMEM);
+	if (IS_ERR(inode))
+		return ERR_CAST(inode);
 
 	inode->i_mapping->a_ops = &aio_ctx_aops;
 	inode->i_mapping->private_data = ctx;
--
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