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| author | Rui Xiang <rui.xiang@huawei.com> | 2014-01-23 15:54:59 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-01-23 16:36:59 -0800 |
| commit | da29b7543957c6e967066f1ee18fab2feb0eeeb3 (patch) | |
| tree | 677ef5f4b80cc040d69a062aafaa573ab4b85304 /fs/autofs4 | |
| parent | fbff08706d12fcdb160604c4ba790df6707c32cb (diff) | |
| download | linux-stable-da29b7543957c6e967066f1ee18fab2feb0eeeb3.tar.gz linux-stable-da29b7543957c6e967066f1ee18fab2feb0eeeb3.tar.bz2 linux-stable-da29b7543957c6e967066f1ee18fab2feb0eeeb3.zip | |
autofs: fix the return value of autofs4_fill_super
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@huawei.com>
Signed-off-by: Ian Kent <raven@themaw.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/autofs4')
| -rw-r--r-- | fs/autofs4/inode.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c index a3de082db620..d7bd395ab586 100644 --- a/fs/autofs4/inode.c +++ b/fs/autofs4/inode.c @@ -212,10 +212,11 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent) struct autofs_info *ino; int pgrp; bool pgrp_set = false; + 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; @@ -249,8 +250,10 @@ 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) @@ -308,7 +311,8 @@ 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; @@ -336,8 +340,7 @@ fail_free: put_pid(sbi->oz_pgrp); 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) |