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[38/40] scsi: sym53c8xx_2: sym_hipd: Ensure variable has the same stipulations as code using it

Message ID 20200721164148.2617584-39-lee.jones@linaro.org
State New
Headers show
Series Set 4: Next set of SCSI related W=1 warnings | expand

Commit Message

Lee Jones July 21, 2020, 4:41 p.m. UTC 
Only declare 'tp' and 'lp' if they are going to be used.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/sym53c8xx_2/sym_hipd.c: In function ‘sym_complete_error’:
 drivers/scsi/sym53c8xx_2/sym_hipd.c:5356:18: warning: variable ‘lp’ set but not used [-Wunused-but-set-variable]
 drivers/scsi/sym53c8xx_2/sym_hipd.c: In function ‘sym_complete_ok’:
 drivers/scsi/sym53c8xx_2/sym_hipd.c:5485:18: warning: variable ‘lp’ set but not used [-Wunused-but-set-variable]

Cc: Matthew Wilcox <willy@infradead.org>
Cc: Gerard Roudier <groudier@free.fr>
Cc: Wolfgang Stanglmeier <wolf@cologne.de>
Cc: Stefan Esser <se@mi.Uni-Koeln.de>
Cc: Richard Waltham <dormouse@farsrobt.demon.co.uk>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

---
 drivers/scsi/sym53c8xx_2/sym_hipd.c | 8 ++++++++
 1 file changed, 8 insertions(+)

-- 
2.25.1
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Patch

diff --git a/drivers/scsi/sym53c8xx_2/sym_hipd.c b/drivers/scsi/sym53c8xx_2/sym_hipd.c
index a428cae4535b7..8410117d5aa44 100644
--- a/drivers/scsi/sym53c8xx_2/sym_hipd.c
+++ b/drivers/scsi/sym53c8xx_2/sym_hipd.c
@@ -5352,8 +5352,10 @@  void sym_complete_error(struct sym_hcb *np, struct sym_ccb *cp)
 {
 	struct scsi_device *sdev;
 	struct scsi_cmnd *cmd;
+#ifdef SYM_OPT_HANDLE_DEVICE_QUEUEING
 	struct sym_tcb *tp;
 	struct sym_lcb *lp;
+#endif
 	int resid;
 	int i;
 
@@ -5370,11 +5372,13 @@  void sym_complete_error(struct sym_hcb *np, struct sym_ccb *cp)
 			cp->host_status, cp->ssss_status, cp->host_flags);
 	}
 
+#ifdef SYM_OPT_HANDLE_DEVICE_QUEUEING
 	/*
 	 *  Get target and lun pointers.
 	 */
 	tp = &np->target[cp->target];
 	lp = sym_lp(tp, sdev->lun);
+#endif
 
 	/*
 	 *  Check for extended errors.
@@ -5481,8 +5485,10 @@  if (resid)
  */
 void sym_complete_ok (struct sym_hcb *np, struct sym_ccb *cp)
 {
+#ifdef SYM_OPT_HANDLE_DEVICE_QUEUEING
 	struct sym_tcb *tp;
 	struct sym_lcb *lp;
+#endif
 	struct scsi_cmnd *cmd;
 	int resid;
 
@@ -5498,11 +5504,13 @@  void sym_complete_ok (struct sym_hcb *np, struct sym_ccb *cp)
 	 */
 	cmd = cp->cmd;
 
+#ifdef SYM_OPT_HANDLE_DEVICE_QUEUEING
 	/*
 	 *  Get target and lun pointers.
 	 */
 	tp = &np->target[cp->target];
 	lp = sym_lp(tp, cp->lun);
+#endif
 
 	/*
 	 *  If all data have been transferred, given than no