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authorNeilBrown <neilb@suse.com>2017-04-15 20:55:41 +0200
committerJens Axboe <axboe@fb.com>2017-04-16 10:06:25 -0600
commitb0e0306ce14180baee00cea9be5600eef6750af8 (patch)
tree5f406c62e83b94f0b50f0c5ad6d117e0bec83f72 /drivers/lightnvm/rrpc.c
parent48d663a314489f136a46abf8e3f0d014d7769209 (diff)
lightnvm: don't check for failure from mempool_alloc()
mempool_alloc() cannot fail if the gfp flags allow it to sleep, and both GFP_KERNEL and GFP_NOIO allows for sleeping. So rrpc_move_valid_pages() and rrpc_make_rq() don't need to test the return value. Signed-off-by: NeilBrown <neilb@suse.com> Signed-off-by: Matias Bjørling <matias@cnexlabs.com> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/lightnvm/rrpc.c')
-rw-r--r--drivers/lightnvm/rrpc.c9
1 files changed, 0 insertions, 9 deletions
diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c
index 4e4c2997337c..a8acf9e06401 100644
--- a/drivers/lightnvm/rrpc.c
+++ b/drivers/lightnvm/rrpc.c
@@ -318,10 +318,6 @@ static int rrpc_move_valid_pages(struct rrpc *rrpc, struct rrpc_block *rblk)
}
page = mempool_alloc(rrpc->page_pool, GFP_NOIO);
- if (!page) {
- bio_put(bio);
- return -ENOMEM;
- }
while ((slot = find_first_zero_bit(rblk->invalid_pages,
nr_sec_per_blk)) < nr_sec_per_blk) {
@@ -1006,11 +1002,6 @@ static blk_qc_t rrpc_make_rq(struct request_queue *q, struct bio *bio)
}
rqd = mempool_alloc(rrpc->rq_pool, GFP_KERNEL);
- if (!rqd) {
- pr_err_ratelimited("rrpc: not able to queue bio.");
- bio_io_error(bio);
- return BLK_QC_T_NONE;
- }
memset(rqd, 0, sizeof(struct nvm_rq));
err = rrpc_submit_io(rrpc, bio, rqd, NVM_IOTYPE_NONE);