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authorNick Piggin <npiggin@kernel.dk>2011-01-07 17:49:58 +1100
committerNick Piggin <npiggin@kernel.dk>2011-01-07 17:50:29 +1100
commitb74c79e99389cd79b31fcc08f82c24e492e63c7e (patch)
tree763c6b412517306670bc625e90035f2d16bb739f /drivers
parent34286d6662308d82aed891852d04c7c3a2649b16 (diff)
fs: provide rcu-walk aware permission i_ops
Signed-off-by: Nick Piggin <npiggin@kernel.dk>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/staging/smbfs/file.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/staging/smbfs/file.c b/drivers/staging/smbfs/file.c
index 5dcd19c60eb..31372e7b12d 100644
--- a/drivers/staging/smbfs/file.c
+++ b/drivers/staging/smbfs/file.c
@@ -407,11 +407,14 @@ smb_file_release(struct inode *inode, struct file * file)
* privileges, so we need our own check for this.
*/
static int
-smb_file_permission(struct inode *inode, int mask)
+smb_file_permission(struct inode *inode, int mask, unsigned int flags)
{
int mode = inode->i_mode;
int error = 0;
+ if (flags & IPERM_FLAG_RCU)
+ return -ECHILD;
+
VERBOSE("mode=%x, mask=%x\n", mode, mask);
/* Look at user permissions */