[patch] afs: passing an ERR_PTR() to page_cache_release()

[Dan Carpenter <error27@xxxxxxxxx>]

In the error handling we try to release "page" if it's not NULL.

Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>

diff --git a/fs/afs/mntpt.c b/fs/afs/mntpt.c
index 5e813a8..f9b23a7 100644
--- a/fs/afs/mntpt.c
+++ b/fs/afs/mntpt.c
@@ -165,6 +165,7 @@ static struct vfsmount *afs_mntpt_do_automount(struct dentry *mntpt)
 	page = read_mapping_page(mntpt->d_inode->i_mapping, 0, NULL);
 	if (IS_ERR(page)) {
 		ret = PTR_ERR(page);
+		page = NULL;
 		goto error;
 	}
 
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