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fork: unshare: remove dead code

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If new_nsproxy is set we will always call switch_task_namespaces and
then set new_nsproxy back to NULL so the reassignment and fall through
check are redundant

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alan Cox 2013-02-27 17:03:23 -08:00 committed by Linus Torvalds
parent 5e62adef9e
commit 6f977e6b2f
1 changed files with 1 additions and 6 deletions
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7
kernel/fork.c
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@ -1861,10 +1861,8 @@ SYSCALL_DEFINE1(unshare, unsigned long, unshare_flags)
exit_sem(current); exit_sem(current);
} }
if (new_nsproxy) { if (new_nsproxy)
switch_task_namespaces(current, new_nsproxy); switch_task_namespaces(current, new_nsproxy);
new_nsproxy = NULL;
}
task_lock(current); task_lock(current);
@ -1894,9 +1892,6 @@ SYSCALL_DEFINE1(unshare, unsigned long, unshare_flags)
} }
} }
if (new_nsproxy)
put_nsproxy(new_nsproxy);
bad_unshare_cleanup_cred: bad_unshare_cleanup_cred:
if (new_cred) if (new_cred)
put_cred(new_cred); put_cred(new_cred);