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SubjectRe: [patch] procfs: returns ENOENT on opening the being-removed proc entry
Hello.

Though I posted the following patch a week ago,
there is no objection, and Kame-san reviewed it.

I hope merge it by someone if possible.
(I don't find maintainer's name for procfs.)

---
I changed the return value to ENOENT.
This return value is then returned when opening the proc entry
that have been removed.
For example, open("/proc/bus/pci/XX/YY") during the corresponding
device is being hot-removed.
Signed-off-by: Daisuke Ogino <ogino.daisuke@jp.fujitsu.com>
---
fs/proc/inode.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/fs/proc/inode.c b/fs/proc/inode.c
index 74b48cf..7ed72d6 100644
--- a/fs/proc/inode.c
+++ b/fs/proc/inode.c
@@ -319,7 +319,7 @@ static int proc_reg_open(struct inode *inode, struct file *file)
if (!pde->proc_fops) {
spin_unlock(&pde->pde_unload_lock);
kfree(pdeo);
- return -EINVAL;
+ return -ENOENT;
}
pde->pde_users++;
open = pde->proc_fops->open;
--
Thanks.
--
Daisuke Ogino




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