The patch titled
Subject: exec: remove checks in __register_bimfmt()
has been added to the -mm tree. Its filename is
exec-remove-checks-in-__register_bimfmt.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/exec-remove-checks-in-__register_bimfmt.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/exec-remove-checks-in-__register_bimfmt.patch
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The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Subject: exec: remove checks in __register_bimfmt()
Delete NULL check, all callers pass valid pointer.
Delete ->load_binary check -- failure to provide hook in a custom module
will be very noticeable at the very first execve call.
Link: https://lkml.kernel.org/r/YK1Gy1qXaLAR+tPl@localhost.localdomain
Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/exec.c | 3 ---
1 file changed, 3 deletions(-)
--- a/fs/exec.c~exec-remove-checks-in-__register_bimfmt
+++ a/fs/exec.c
@@ -84,9 +84,6 @@ static DEFINE_RWLOCK(binfmt_lock);
void __register_binfmt(struct linux_binfmt * fmt, int insert)
{
- BUG_ON(!fmt);
- if (WARN_ON(!fmt->load_binary))
- return;
write_lock(&binfmt_lock);
insert ? list_add(&fmt->lh, &formats) :
list_add_tail(&fmt->lh, &formats);
_
Patches currently in -mm which might be from adobriyan@xxxxxxxxx are
exec-remove-checks-in-__register_bimfmt.patch
