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| author | Josh Triplett <josht@us.ibm.com> | 2006-07-24 16:30:00 -0700 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-08-03 16:55:01 -0400 |
| commit | ce510193272c295b891e45525a83b543ae3207c1 (patch) | |
| tree | 4b343858aa43e2a1e549ea23c5cff4cf86aeff47 /fs | |
| parent | 3f2792ffbd88dc1cd41d226674cc428914981e98 (diff) | |
| download | linux-3.10-ce510193272c295b891e45525a83b543ae3207c1.tar.gz linux-3.10-ce510193272c295b891e45525a83b543ae3207c1.tar.bz2 linux-3.10-ce510193272c295b891e45525a83b543ae3207c1.zip | |
NFS: Release dcache_lock in an error path of nfs_path
In one of the error paths of nfs_path, it may return with dcache_lock still
held; fix this by adding and using a new error path Elong_unlock which unlocks
dcache_lock.
Signed-off-by: Josh Triplett <josh@freedesktop.org>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
(cherry picked from f4b90b43677fb23297c56802c3056fc304f988d9 commit)
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/nfs/namespace.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c index 19b98ca468e..86b3169c8ca 100644 --- a/fs/nfs/namespace.c +++ b/fs/nfs/namespace.c @@ -51,7 +51,7 @@ char *nfs_path(const char *base, const struct dentry *dentry, namelen = dentry->d_name.len; buflen -= namelen + 1; if (buflen < 0) - goto Elong; + goto Elong_unlock; end -= namelen; memcpy(end, dentry->d_name.name, namelen); *--end = '/'; @@ -68,6 +68,8 @@ char *nfs_path(const char *base, const struct dentry *dentry, end -= namelen; memcpy(end, base, namelen); return end; +Elong_unlock: + spin_unlock(&dcache_lock); Elong: return ERR_PTR(-ENAMETOOLONG); } |