[PATCH v2 08/58] qla2xxx: Declare the fourth ql_dump_buffer() argument const

[Bart Van Assche <bvanassche@xxxxxxx>]

This patch makes it clear to humans and also to the compiler that
ql_dump_buffer() does not modify the memory the @buf argument points at.

Cc: Himanshu Madhani <hmadhani@xxxxxxxxxxx>
Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx>
---
 drivers/scsi/qla2xxx/qla_dbg.c | 3 ++-
 drivers/scsi/qla2xxx/qla_gbl.h | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c
index 9e80646722e2..30afc59c1870 100644
--- a/drivers/scsi/qla2xxx/qla_dbg.c
+++ b/drivers/scsi/qla2xxx/qla_dbg.c
@@ -2743,7 +2743,8 @@ ql_dump_regs(uint level, scsi_qla_host_t *vha, uint id)
 
 
 void
-ql_dump_buffer(uint level, scsi_qla_host_t *vha, uint id, void *buf, uint size)
+ql_dump_buffer(uint level, scsi_qla_host_t *vha, uint id, const void *buf,
+	       uint size)
 {
 	uint cnt;
 
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index f9669fdf7798..6f6801722a09 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -630,7 +630,7 @@ extern ulong qla27xx_fwdt_template_size(void *);
 
 extern void qla2xxx_dump_post_process(scsi_qla_host_t *, int);
 extern void ql_dump_regs(uint, scsi_qla_host_t *, uint);
-extern void ql_dump_buffer(uint, scsi_qla_host_t *, uint, void *, uint);
+extern void ql_dump_buffer(uint, scsi_qla_host_t *, uint, const void *, uint);
 /*
  * Global Function Prototypes in qla_gs.c source file.
  */
-- 
2.22.0