[PATCH] scsi: export function scsi_scan.c:sanitize_inquiry_string

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The hpsa driver uses this function to cleanup inquiry
data. Our new pqi driver will also use this
function. This function was copied into both drivers.

This patch exports sanitize_inquiry_string so the hpsa
and the pqi drivers can use this function directly.

Hannes recommended the change in review:
https://www.marc.info/?l=linux-scsi&m=144619249003064&w=2
that using the existing function in scsi_scan would be
preferrable.

Suggested-by: Hannes Reinecke <hare@xxxxxxx>
Reviewed-by: Kevin Barnett <kevin.barnett@xxxxxxxx>
Reviewed-by: Justin Lindley <justin.lindley@xxxxxxxx>
Reviewed-by: Scott Teel <scott.teel@xxxxxxxx>
Reviewed-by: Hannes Reinecke <hare@xxxxxxx>
Signed-off-by: Don Brace <don.brace@xxxxxxxx>
---
 drivers/scsi/scsi_scan.c |   12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 6a82066..1f02e84 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -518,7 +518,8 @@ void scsi_target_reap(struct scsi_target *starget)
 }
 
 /**
- * sanitize_inquiry_string - remove non-graphical chars from an INQUIRY result string
+ * scsi_sanitize_inquiry_string - remove non-graphical chars from an
+ *                                INQUIRY result string
  * @s: INQUIRY result string to sanitize
  * @len: length of the string
  *
@@ -531,7 +532,7 @@ void scsi_target_reap(struct scsi_target *starget)
  *	string terminator, so all the following characters are set to
  *	spaces.
  **/
-static void sanitize_inquiry_string(unsigned char *s, int len)
+void scsi_sanitize_inquiry_string(unsigned char *s, int len)
 {
 	int terminated = 0;
 
@@ -542,6 +543,7 @@ static void sanitize_inquiry_string(unsigned char *s, int len)
 			*s = ' ';
 	}
 }
+EXPORT_SYMBOL(scsi_sanitize_inquiry_string);
 
 /**
  * scsi_probe_lun - probe a single LUN using a SCSI INQUIRY
@@ -627,9 +629,9 @@ static int scsi_probe_lun(struct scsi_device *sdev, unsigned char *inq_result,
 	}
 
 	if (result == 0) {
-		sanitize_inquiry_string(&inq_result[8], 8);
-		sanitize_inquiry_string(&inq_result[16], 16);
-		sanitize_inquiry_string(&inq_result[32], 4);
+		scsi_sanitize_inquiry_string(&inq_result[8], 8);
+		scsi_sanitize_inquiry_string(&inq_result[16], 16);
+		scsi_sanitize_inquiry_string(&inq_result[32], 4);
 
 		response_len = inq_result[4] + 5;
 		if (response_len > 255)

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