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bdi: test bdi_init failure

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There were two places where return value from bdi_init was not tested.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Mikulas Patocka
2013-10-14 12:14:13 -04:00
committed by Jens Axboe
parent a207f59376
commit 8077c0d983
3 changed files with 6 additions and 4 deletions
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mm/swap.c
+2 -1
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@@ -934,7 +934,8 @@ void __init swap_setup(void)
#ifdef CONFIG_SWAP
int i;
bdi_init(swapper_spaces[0].backing_dev_info);
if (bdi_init(swapper_spaces[0].backing_dev_info))
panic("Failed to init swap bdi");
for (i = 0; i < MAX_SWAPFILES; i++) {
spin_lock_init(&swapper_spaces[i].tree_lock);
INIT_LIST_HEAD(&swapper_spaces[i].i_mmap_nonlinear);