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| author | Oleg Nesterov <oleg@redhat.com> | 2014-01-24 00:55:49 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-01-24 01:37:02 +0100 |
| commit | 83f62a2eacb1d6945c78523f20e0c34b5d94913c (patch) | |
| tree | e42b10740afd8489319388018fa1d6d10be22482 /lib | |
| parent | kernel/fork.c: remove redundant NULL check in dup_mm() (diff) | |
| download | linux-83f62a2eacb1d6945c78523f20e0c34b5d94913c.tar.xz linux-83f62a2eacb1d6945c78523f20e0c34b5d94913c.zip | |
exec:check_unsafe_exec: use while_each_thread() rather than next_thread()
next_thread() should be avoided, change check_unsafe_exec() to use
while_each_thread().
Nobody except signal->curr_target actually needs next_thread-like code,
and we need to change (fix) this interface. This particular code is fine,
p == current. But in general the code like this can loop forever if p
exits and next_thread(t) can't reach the unhashed thread.
This also saves 32 bytes.
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib')
0 files changed, 0 insertions, 0 deletions