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authorKeith Busch <keith.busch@intel.com>2017-11-07 10:28:31 -0700
committerJens Axboe <axboe@kernel.dk>2017-11-10 19:53:25 -0700
commitc627c487ec727350c6aaa1cf217b666099e83ee2 (patch)
treec73bf361080b6d75eea35e4427a2866f5d2b0866 /drivers/nvme
parent715ea9e09dc81f18cad5ed64800f49b1c4c444df (diff)
downloadlinux-c627c487ec727350c6aaa1cf217b666099e83ee2.tar.gz
nvme: factor get log into a helper
And fix the warning on a successful firmware log.

Reviewed-by: Javier González <javier@cnexlabs.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/nvme')
-rw-r--r--drivers/nvme/host/core.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 3aabaa103e10..90b6375a9da5 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -1747,6 +1747,18 @@ static void nvme_init_subnqn(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id)
 	memset(ctrl->subnqn + off, 0, sizeof(ctrl->subnqn) - off);
 }
 
+static int nvme_get_log(struct nvme_ctrl *ctrl, u8 log_page, void *log,
+			size_t size)
+{
+	struct nvme_command c = { };
+
+	c.common.opcode = nvme_admin_get_log_page;
+	c.common.nsid = cpu_to_le32(NVME_NSID_ALL);
+	c.common.cdw10[0] = nvme_get_log_dw10(log_page, size);
+
+	return nvme_submit_sync_cmd(ctrl->admin_q, &c, log, size);
+}
+
 /*
  * Initialize the cached copies of the Identify data and various controller
  * register in our nvme_ctrl structure.  This should be called as soon as
@@ -2579,18 +2591,13 @@ static bool nvme_ctrl_pp_status(struct nvme_ctrl *ctrl)
 
 static void nvme_get_fw_slot_info(struct nvme_ctrl *ctrl)
 {
-	struct nvme_command c = { };
 	struct nvme_fw_slot_info_log *log;
 
 	log = kmalloc(sizeof(*log), GFP_KERNEL);
 	if (!log)
 		return;
 
-	c.common.opcode = nvme_admin_get_log_page;
-	c.common.nsid = cpu_to_le32(NVME_NSID_ALL);
-	c.common.cdw10[0] = nvme_get_log_dw10(NVME_LOG_FW_SLOT, sizeof(*log));
-
-	if (!nvme_submit_sync_cmd(ctrl->admin_q, &c, log, sizeof(*log)))
+	if (nvme_get_log(ctrl, NVME_LOG_FW_SLOT, log, sizeof(*log)))
 		dev_warn(ctrl->device,
 				"Get FW SLOT INFO log error\n");
 	kfree(log);