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exec: remove checks in __register_bimfmt()

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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@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alexey Dobriyan
2021-06-30 18:56:46 -07:00
committed by Linus Torvalds
parent 97c885d585
commit bae7702a17
1 changed files with 0 additions and 3 deletions
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3
fs/exec.c
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@@ -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);