afs: Fix signal handling in some file ops

afs_mkdir(), afs_create(), afs_link() and afs_symlink() all need to drop
the target dentry if a signal causes the operation to be killed immediately
before we try to contact the server.

Signed-off-by: David Howells <dhowells@redhat.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/fs/afs/dir.c b/fs/afs/dir.c
index bb89876fbb8e..c02324969429 100644
--- a/fs/afs/dir.c
+++ b/fs/afs/dir.c
@@ -818,6 +818,8 @@ static int afs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
                 ret = afs_end_vnode_operation(&fc);
                 if (ret < 0)
                         goto error_key;
+        } else {
+                goto error_key;
         }
 
         key_put(key);
@@ -1006,6 +1008,8 @@ static int afs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
                 ret = afs_end_vnode_operation(&fc);
                 if (ret < 0)
                         goto error_key;
+        } else {
+                goto error_key;
         }
 
         key_put(key);
@@ -1071,6 +1075,8 @@ static int afs_link(struct dentry *from, struct inode *dir,
                 ret = afs_end_vnode_operation(&fc);
                 if (ret < 0)
                         goto error_key;
+        } else {
+                goto error_key;
         }
 
         key_put(key);
@@ -1130,6 +1136,8 @@ static int afs_symlink(struct inode *dir, struct dentry *dentry,
                 ret = afs_end_vnode_operation(&fc);
                 if (ret < 0)
                         goto error_key;
+        } else {
+                goto error_key;
         }
 
         key_put(key);