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| author | Cesar Eduardo Barros <cesarb@cesarb.net> | 2011-03-22 16:33:19 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-22 17:44:06 -0700 |
| commit | 730c0581c82dbc5be2f41a2d85bde6bad11bc8a4 (patch) | |
| tree | de06f9f0e12ec8fe963a0bca3835ef0a72dd9191 /mm/swapfile.c | |
| parent | 2542e5134d2c19a9e6a4e641ef78cac6bccebd9b (diff) | |
| download | lwn-730c0581c82dbc5be2f41a2d85bde6bad11bc8a4.tar.gz lwn-730c0581c82dbc5be2f41a2d85bde6bad11bc8a4.zip | |
sys_swapon: simplify error flow in alloc_swap_info()
Since there is no cleanup to do, there is no reason to jump to a label.
Return directly instead.
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>
Diffstat (limited to 'mm/swapfile.c')
| -rw-r--r-- | mm/swapfile.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/mm/swapfile.c b/mm/swapfile.c index 4d457d699c1f..4d89c4c9336c 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -1848,7 +1848,6 @@ static struct swap_info_struct *alloc_swap_info(void) { struct swap_info_struct *p; unsigned int type; - int error; p = kzalloc(sizeof(*p), GFP_KERNEL); if (!p) @@ -1859,11 +1858,10 @@ static struct swap_info_struct *alloc_swap_info(void) if (!(swap_info[type]->flags & SWP_USED)) break; } - error = -EPERM; if (type >= MAX_SWAPFILES) { spin_unlock(&swap_lock); kfree(p); - goto out; + return ERR_PTR(-EPERM); } if (type >= nr_swapfiles) { p->type = type; @@ -1889,9 +1887,6 @@ static struct swap_info_struct *alloc_swap_info(void) spin_unlock(&swap_lock); return p; - -out: - return ERR_PTR(error); } SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags) |