take care to handle NULL ->proc_lseek()

[linux-2.6-microblaze.git] / fs / proc / inode.c

diff --git a/fs/proc/inode.c b/fs/proc/inode.c
index f130499..f495fdb 100644 (file)
--- a/fs/proc/inode.c
+++ b/fs/proc/inode.c
@@ -494,6 +494,9 @@ static int proc_reg_open(struct inode *inode, struct file *file)
        typeof_member(struct proc_ops, proc_release) release;
        struct pde_opener *pdeo;
 
+       if (!pde->proc_ops->proc_lseek)
+               file->f_mode &= ~FMODE_LSEEK;
+
        if (pde_is_permanent(pde)) {
                open = pde->proc_ops->proc_open;
                if (open)