[PATCH] drivers/nvme: fix pr_warn format string

[Max Filippov]

Use %zu format instead of %lu to print variable of size_t type.
This fixes the following gcc build error on 32-bit targets:

  error: format '%lu' expects argument of type 'long unsigned int',
  but argument 3 has type 'size_t' {aka 'unsigned int'}

Fixes: 71ebe3842ebe ("nvmet-auth: Diffie-Hellman key exchange support")
Signed-off-by: Max Filippov <jcmvbkbc at gmail.com>
---
 drivers/nvme/target/auth.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/nvme/target/auth.c b/drivers/nvme/target/auth.c
index bf92435c783c..716a10ca91d1 100644
--- a/drivers/nvme/target/auth.c
+++ b/drivers/nvme/target/auth.c
@@ -488,7 +488,7 @@ int nvmet_auth_ctrl_exponential(struct nvmet_req *req,
 		return -ENOKEY;
 	}
 	if (buf_size != ctrl->dh_keysize) {
-		pr_warn("ctrl %d DH public key size mismatch, need %lu is %d\n",
+		pr_warn("ctrl %d DH public key size mismatch, need %zu is %d\n",
 			ctrl->cntlid, ctrl->dh_keysize, buf_size);
 		ret = -EINVAL;
 	} else {
-- 
2.30.2