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[Qemu-devel] [PATCH] hw/block/nvme: Simplify if-statements a little bit


From: Thomas Huth
Subject: [Qemu-devel] [PATCH] hw/block/nvme: Simplify if-statements a little bit
Date: Wed, 12 Oct 2016 17:18:40 +0200

The condition  '!A || (A && B)' is equivalent to '!A || B'.

Buglink: https://bugs.launchpad.net/qemu/+bug/1464611
Signed-off-by: Thomas Huth <address@hidden>
---
 hw/block/nvme.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index cef3bb4..53d9d2e 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -373,7 +373,7 @@ static uint16_t nvme_create_sq(NvmeCtrl *n, NvmeCmd *cmd)
     if (!cqid || nvme_check_cqid(n, cqid)) {
         return NVME_INVALID_CQID | NVME_DNR;
     }
-    if (!sqid || (sqid && !nvme_check_sqid(n, sqid))) {
+    if (!sqid || !nvme_check_sqid(n, sqid)) {
         return NVME_INVALID_QID | NVME_DNR;
     }
     if (!qsize || qsize > NVME_CAP_MQES(n->bar.cap)) {
@@ -447,7 +447,7 @@ static uint16_t nvme_create_cq(NvmeCtrl *n, NvmeCmd *cmd)
     uint16_t qflags = le16_to_cpu(c->cq_flags);
     uint64_t prp1 = le64_to_cpu(c->prp1);
 
-    if (!cqid || (cqid && !nvme_check_cqid(n, cqid))) {
+    if (!cqid || !nvme_check_cqid(n, cqid)) {
         return NVME_INVALID_CQID | NVME_DNR;
     }
     if (!qsize || qsize > NVME_CAP_MQES(n->bar.cap)) {
-- 
1.8.3.1




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