commit: 50f198ae16ac66508d4b8d5a40967a8507ad19ee From: Tyler Hicks <[email protected]> Date: Wed, 9 Mar 2011 11:49:13 -0600 Subject: [PATCH] eCryptfs: Unlock page in write_begin error path
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. Cc: <[email protected]> Signed-off-by: Tyler Hicks <[email protected]> --- 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 5e15013..6a44148 100644 --- a/fs/ecryptfs/mmap.c +++ b/fs/ecryptfs/mmap.c @@ -381,6 +381,11 @@ 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; } _______________________________________________ stable mailing list [email protected] http://linux.kernel.org/mailman/listinfo/stable
