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| author | Cedric Le Goater <clg@fr.ibm.com> | 2006-12-08 02:37:54 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-08 08:28:51 -0800 |
| commit | 937949d9edbf4049bd41af6c9f92c26280584564 (patch) | |
| tree | d0a28f503b082f890cfa1f7fe952fda8fc771752 /kernel/signal.c | |
| parent | ef55d53caa055aedee13e77da82740987dd64f2d (diff) | |
| download | lwn-937949d9edbf4049bd41af6c9f92c26280584564.tar.gz lwn-937949d9edbf4049bd41af6c9f92c26280584564.zip | |
[PATCH] add process_session() helper routine
Replace occurences of task->signal->session by a new process_session() helper
routine.
It will be useful for pid namespaces to abstract the session pid number.
Signed-off-by: Cedric Le Goater <clg@fr.ibm.com>
Cc: Kirill Korotaev <dev@openvz.org>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Herbert Poetzl <herbert@13thfloor.at>
Cc: Sukadev Bhattiprolu <sukadev@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/signal.c')
| -rw-r--r-- | kernel/signal.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/signal.c b/kernel/signal.c index ec81defde339..9eac4db60eda 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -583,7 +583,7 @@ static int check_kill_permission(int sig, struct siginfo *info, error = -EPERM; if ((info == SEND_SIG_NOINFO || (!is_si_special(info) && SI_FROMUSER(info))) && ((sig != SIGCONT) || - (current->signal->session != t->signal->session)) + (process_session(current) != process_session(t))) && (current->euid ^ t->suid) && (current->euid ^ t->uid) && (current->uid ^ t->suid) && (current->uid ^ t->uid) && !capable(CAP_KILL)) |