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authorMichael Halcrow <mhalcrow@us.ibm.com>2008-04-29 03:59:52 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-29 11:06:07 -0400
commit2f9b12a31fcb738ea8c9eb0d4ddf906c6f1d696c (patch)
treee6cde843b575c2b29396ee2b66af285da68c5a79 /fs/ecryptfs
parent6a3fd92e73fffd9e583650c56ad9558afe51dc5c (diff)
eCryptfs: protect crypt_stat->flags in ecryptfs_open()
Make sure crypt_stat->flags is protected with a lock in ecryptfs_open(). Signed-off-by: Michael Halcrow <mhalcrow@us.ibm.com> Cc: Al Viro <viro@ZenIV.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/ecryptfs')
-rw-r--r--fs/ecryptfs/file.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c
index 2b8f5ed4adea..2258b8f654a6 100644
--- a/fs/ecryptfs/file.c
+++ b/fs/ecryptfs/file.c
@@ -195,7 +195,9 @@ static int ecryptfs_open(struct inode *inode, struct file *file)
195 file, ecryptfs_inode_to_private(inode)->lower_file); 195 file, ecryptfs_inode_to_private(inode)->lower_file);
196 if (S_ISDIR(ecryptfs_dentry->d_inode->i_mode)) { 196 if (S_ISDIR(ecryptfs_dentry->d_inode->i_mode)) {
197 ecryptfs_printk(KERN_DEBUG, "This is a directory\n"); 197 ecryptfs_printk(KERN_DEBUG, "This is a directory\n");
198 mutex_lock(&crypt_stat->cs_mutex);
198 crypt_stat->flags &= ~(ECRYPTFS_ENCRYPTED); 199 crypt_stat->flags &= ~(ECRYPTFS_ENCRYPTED);
200 mutex_unlock(&crypt_stat->cs_mutex);
199 rc = 0; 201 rc = 0;
200 goto out; 202 goto out;
201 } 203 }