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sys_swapon: simplify error return from swap_info allocation

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At this point in sys_swapon, there is nothing to free. Return directly
instead of jumping to the cleanup block at the end of the function.

Signed-off-by: Cesar Eduardo Barros <cesarb@cesarb.net>
Tested-by: Eric B Munson <emunson@mgebm.net>
Acked-by: Eric B Munson <emunson@mgebm.net>
Reviewed-by: Pekka Enberg <penberg@kernel.org>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Cesar Eduardo Barros 2011-03-22 16:33:18 -07:00 committed by Linus Torvalds
parent 53cbb2435f
commit 2542e5134d
1 changed files with 2 additions and 4 deletions
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6
mm/swapfile.c
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@ -1918,10 +1918,8 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags)
return -EPERM;
p = alloc_swap_info();
if (IS_ERR(p)) {
error = PTR_ERR(p);
goto out;
}
if (IS_ERR(p))
return PTR_ERR(p);
name = getname(specialfile);
error = PTR_ERR(name);