linux-kernel - [PATCH] scsi: target: core: remove unused prod

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Date:   Wed, 29 Mar 2023 09:24:21 -0400
From:   Tom Rix <trix@...hat.com>
To:     martin.petersen@...cle.com, nathan@...nel.org,
        ndesaulniers@...gle.com
Cc:     linux-scsi@...r.kernel.org, target-devel@...r.kernel.org,
        linux-kernel@...r.kernel.org, llvm@...ts.linux.dev,
        Tom Rix <trix@...hat.com>
Subject: [PATCH] scsi: target: core: remove unused prod_len variable

clang with W=1 reports
drivers/target/target_core_spc.c:229:6: error: variable
  'prod_len' set but not used [-Werror,-Wunused-but-set-variable]
        u32 prod_len;
            ^
This variable is not used so remove it.

Signed-off-by: Tom Rix <trix@...hat.com>
---
 drivers/target/target_core_spc.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c
index 5bae45c3fb65..89c0d56294cc 100644
--- a/drivers/target/target_core_spc.c
+++ b/drivers/target/target_core_spc.c
@@ -226,7 +226,6 @@ spc_emulate_evpd_83(struct se_cmd *cmd, unsigned char *buf)
 	struct t10_alua_lu_gp_member *lu_gp_mem;
 	struct t10_alua_tg_pt_gp *tg_pt_gp;
 	unsigned char *prod = &dev->t10_wwn.model[0];
-	u32 prod_len;
 	u32 off = 0;
 	u16 len = 0, id_len;
 
@@ -267,10 +266,6 @@ spc_emulate_evpd_83(struct se_cmd *cmd, unsigned char *buf)
 	 * T10 Vendor Identifier Page, see spc4r17 section 7.7.3.4
 	 */
 	id_len = 8; /* For Vendor field */
-	prod_len = 4; /* For VPD Header */
-	prod_len += 8; /* For Vendor field */
-	prod_len += strlen(prod);
-	prod_len++; /* For : */
 
 	if (dev->dev_flags & DF_EMULATED_VPD_UNIT_SERIAL)
 		id_len += sprintf(&buf[off+12], "%s:%s", prod,
-- 
2.27.0