[SeaBIOS] [PATCH 4/5] nvme: fix extraction of status code bits
Daniel Verkamp
daniel at drv.nu
Fri Feb 24 07:27:56 CET 2017
The status code field is 8 bits wide starting at bit 1; the previous
code would truncate the top bit.
Signed-off-by: Daniel Verkamp <daniel at drv.nu>
---
src/hw/nvme.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/hw/nvme.c b/src/hw/nvme.c
index 97b05cb..9fda011 100644
--- a/src/hw/nvme.c
+++ b/src/hw/nvme.c
@@ -74,7 +74,7 @@ nvme_poll_cq(struct nvme_cq *cq)
static int
nvme_is_cqe_success(struct nvme_cqe const *cqe)
{
- return (cqe->status & 0xFF) >> 1 == 0;
+ return ((cqe->status >> 1) & 0xFF) == 0;
}
--
2.11.1
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