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authorWei Yongjun2013-05-13 16:29:04 +0200
committerMatthew Wilcox2013-05-17 15:13:18 +0200
commit1287dabd345f447bbe0f7a99fc95ab89bcfc0f5d (patch)
treec28b898aa3296ab653403ae275f53151b66abb9f /drivers/block
parentNVMe: check for integer overflow in nvme_map_user_pages() (diff)
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NVMe: fix error return code in nvme_submit_bio_queue()
nvme_submit_flush_data() might overwrite the initialisation of the return value with 0, so move the -ENOMEM setting close to the usage. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Diffstat (limited to 'drivers/block')
-rw-r--r--drivers/block/nvme-core.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/block/nvme-core.c b/drivers/block/nvme-core.c
index 437637551d1e..d783f15e0fc5 100644
--- a/drivers/block/nvme-core.c
+++ b/drivers/block/nvme-core.c
@@ -629,7 +629,7 @@ static int nvme_submit_bio_queue(struct nvme_queue *nvmeq, struct nvme_ns *ns,
struct nvme_command *cmnd;
struct nvme_iod *iod;
enum dma_data_direction dma_dir;
- int cmdid, length, result = -ENOMEM;
+ int cmdid, length, result;
u16 control;
u32 dsmgmt;
int psegs = bio_phys_segments(ns->queue, bio);
@@ -640,6 +640,7 @@ static int nvme_submit_bio_queue(struct nvme_queue *nvmeq, struct nvme_ns *ns,
return result;
}
+ result = -ENOMEM;
iod = nvme_alloc_iod(psegs, bio->bi_size, GFP_ATOMIC);
if (!iod)
goto nomem;