From 3f61631d47f115b83c935d0039f95cb68b0c8ab7 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 14 Aug 2022 15:16:18 -0400 Subject: 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: 868941b14441 "fs: remove no_llseek" Signed-off-by: Al Viro --- fs/proc/inode.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'fs') diff --git a/fs/proc/inode.c b/fs/proc/inode.c index f130499ad843..f495fdb39151 100644 --- 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) -- cgit v1.2.3-59-g8ed1b