--- /dev/null
+From e9a9853c23c13a37546397b61b270999fd0fb759 Mon Sep 17 00:00:00 2001
+From: Ivan Bornyakov <brnkv.i1@gmail.com>
+Date: Wed, 23 May 2018 17:56:11 +0300
+Subject: nvme: host: core: fix precedence of ternary operator
+
+From: Ivan Bornyakov <brnkv.i1@gmail.com>
+
+commit e9a9853c23c13a37546397b61b270999fd0fb759 upstream.
+
+Ternary operator have lower precedence then bitwise or, so 'cdw10' was
+calculated wrong.
+
+Signed-off-by: Ivan Bornyakov <brnkv.i1@gmail.com>
+Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
+Signed-off-by: Keith Busch <keith.busch@intel.com>
+Cc: Guenter Roeck <linux@roeck-us.net>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+
+---
+ drivers/nvme/host/core.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+--- a/drivers/nvme/host/core.c
++++ b/drivers/nvme/host/core.c
+@@ -1043,7 +1043,7 @@ static int nvme_pr_reserve(struct block_
+ static int nvme_pr_preempt(struct block_device *bdev, u64 old, u64 new,
+ enum pr_type type, bool abort)
+ {
+- u32 cdw10 = nvme_pr_type(type) << 8 | abort ? 2 : 1;
++ u32 cdw10 = nvme_pr_type(type) << 8 | (abort ? 2 : 1);
+ return nvme_pr_command(bdev, cdw10, old, new, nvme_cmd_resv_acquire);
+ }
+
+@@ -1055,7 +1055,7 @@ static int nvme_pr_clear(struct block_de
+
+ static int nvme_pr_release(struct block_device *bdev, u64 key, enum pr_type type)
+ {
+- u32 cdw10 = nvme_pr_type(type) << 8 | key ? 1 << 3 : 0;
++ u32 cdw10 = nvme_pr_type(type) << 8 | (key ? 1 << 3 : 0);
+ return nvme_pr_command(bdev, cdw10, key, 0, nvme_cmd_resv_release);
+ }
+