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authorTrond Myklebust <Trond.Myklebust@netapp.com>2010-11-20 13:22:24 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2010-11-22 13:24:44 -0500
commite7c58e974a0318fcca5368e7b3570e10e9ae9028 (patch)
treede7c5bf4d565ce0365af6fe1d82bd035deb37024
parent5c346854d8ce6ca91931f8fc9177934257a667d0 (diff)
downloadop-kernel-dev-e7c58e974a0318fcca5368e7b3570e10e9ae9028.zip
op-kernel-dev-e7c58e974a0318fcca5368e7b3570e10e9ae9028.tar.gz
NFS: Fix a page leak in nfs_do_filldir()
nfs_do_filldir() must always free desc->page when it is done, otherwise we end up leaking the page. Also remove unused variable 'dentry'. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
-rw-r--r--fs/nfs/dir.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 2789cb3..42e66e9 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -701,11 +701,12 @@ int nfs_do_filldir(nfs_readdir_descriptor_t *desc, void *dirent,
int res = 0;
struct nfs_cache_array *array = NULL;
unsigned int d_type = DT_UNKNOWN;
- struct dentry *dentry = NULL;
array = nfs_readdir_get_array(desc->page);
- if (IS_ERR(array))
- return PTR_ERR(array);
+ if (IS_ERR(array)) {
+ res = PTR_ERR(array);
+ goto out;
+ }
for (i = desc->cache_entry_index; i < array->size; i++) {
d_type = DT_UNKNOWN;
@@ -726,9 +727,8 @@ int nfs_do_filldir(nfs_readdir_descriptor_t *desc, void *dirent,
desc->eof = 1;
nfs_readdir_release_array(desc->page);
+out:
cache_page_release(desc);
- if (dentry != NULL)
- dput(dentry);
dfprintk(DIRCACHE, "NFS: nfs_do_filldir() filling ended @ cookie %Lu; returning = %d\n",
(unsigned long long)*desc->dir_cookie, res);
return res;
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