Commit 3f61631d authored by Al Viro's avatar Al Viro
Browse files

take care to handle NULL ->proc_lseek() 



Easily done now, just by clearing FMODE_LSEEK in ->f_mode
during proc_reg_open() for such entries.

Fixes: 868941b1 "fs: remove no_llseek"
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 5d6a0f4d

fs/proc/inode.c

+3 −0
Original line number Diff line number Diff line
@@ -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)