diff options
| author | Tyler Hicks <tyhicks@linux.vnet.ibm.com> | 2011-03-09 11:49:13 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-04-14 16:52:49 -0700 |
| commit | 87f1abd35f8fb40a4fb4c5f5e46b2efdffedfa26 (patch) | |
| tree | 6113341dcc3bcb855ac9fa0635f4f80ce99cb89c | |
| parent | c2a94201cf2cff45ace3e07d6d5ef0707ffb0dd6 (diff) | |
eCryptfs: Unlock page in write_begin error path
commit 50f198ae16ac66508d4b8d5a40967a8507ad19ee upstream.
Unlock the page in error path of ecryptfs_write_begin(). This may
happen, for example, if decryption fails while bring the page
up-to-date.
Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | fs/ecryptfs/mmap.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c index df4ce99d059..8721a89d8c7 100644 --- a/fs/ecryptfs/mmap.c +++ b/fs/ecryptfs/mmap.c @@ -372,6 +372,11 @@ static int ecryptfs_write_begin(struct file *file, && (pos != 0)) zero_user(page, 0, PAGE_CACHE_SIZE); out: + if (unlikely(rc)) { + unlock_page(page); + page_cache_release(page); + *pagep = NULL; + } return rc; } |