diff options
Diffstat (limited to 'drivers/staging/smbfs')
-rw-r--r-- | drivers/staging/smbfs/dir.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/staging/smbfs/dir.c b/drivers/staging/smbfs/dir.c index 78f09412740c..dd612f50749f 100644 --- a/drivers/staging/smbfs/dir.c +++ b/drivers/staging/smbfs/dir.c @@ -14,6 +14,7 @@ #include <linux/ctype.h> #include <linux/net.h> #include <linux/sched.h> +#include <linux/namei.h> #include "smb_fs.h" #include "smb_mount.h" @@ -301,13 +302,20 @@ static const struct dentry_operations smbfs_dentry_operations_case = * This is the callback when the dcache has a lookup hit. */ static int -smb_lookup_validate(struct dentry * dentry, struct nameidata *nd) +smb_lookup_validate(struct dentry *dentry, struct nameidata *nd) { - struct smb_sb_info *server = server_from_dentry(dentry); - struct inode * inode = dentry->d_inode; - unsigned long age = jiffies - dentry->d_time; + struct smb_sb_info *server; + struct inode *inode; + unsigned long age; int valid; + if (nd->flags & LOOKUP_RCU) + return -ECHILD; + + server = server_from_dentry(dentry); + inode = dentry->d_inode; + age = jiffies - dentry->d_time; + /* * The default validation is based on dentry age: * we believe in dentries for a few seconds. (But each |