From: Rui Xiang <rui.xiang@xxxxxxxxxx>
While kzallocing sbi/ino fails, it should return -ENOMEM.
And it should return the err value from autofs_prepare_pipe.
Signed-off-by: Rui Xiang <rui.xiang@xxxxxxxxxx>
Acked-by: Ian Kent <raven@xxxxxxxxxx>
---
fs/autofs4/inode.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c
index 3b9cc9b..07d22c0 100644
--- a/fs/autofs4/inode.c
+++ b/fs/autofs4/inode.c
@@ -206,10 +206,11 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent)
int pipefd;
struct autofs_sb_info *sbi;
struct autofs_info *ino;
+ int ret = -EINVAL;
sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
if (!sbi)
- goto fail_unlock;
+ return -ENOMEM;
DPRINTK("starting up, sbi = %p",sbi);
s->s_fs_info = sbi;
@@ -243,8 +244,10 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent)
* Get the root inode and dentry, but defer checking for errors.
*/
ino = autofs4_new_ino(sbi);
- if (!ino)
+ if (!ino) {
+ ret = -ENOMEM;
goto fail_free;
+ }
root_inode = autofs4_get_inode(s, S_IFDIR | 0755);
root = d_make_root(root_inode);
if (!root)
@@ -291,7 +294,8 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent)
printk("autofs: could not open pipe file descriptor\n");
goto fail_dput;
}
- if (autofs_prepare_pipe(pipe) < 0)
+ ret = autofs_prepare_pipe(pipe);
+ if (ret < 0)
goto fail_fput;
sbi->pipe = pipe;
sbi->pipefd = pipefd;
@@ -318,8 +322,7 @@ fail_ino:
fail_free:
kfree(sbi);
s->s_fs_info = NULL;
-fail_unlock:
- return -EINVAL;
+ return ret;
}
struct inode *autofs4_get_inode(struct super_block *sb, umode_t mode)
--
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