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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2017-12-19 19:37:27 +0200
committerMartin K. Petersen <martin.petersen@oracle.com>2018-01-03 22:40:52 -0500
commit9ea4e076bda3654fd8458cb9c45162581bc24798 (patch)
treebda7166317fd02cc34abffc601d9e2c6cfd37883 /drivers/scsi/libsas
parentd754941225a7dbc61f6dd2173fa9498049f9a7ee (diff)
scsi: libsas: remove private hex2bin() implementation
The function sas_parse_addr() could be easily substituted by hex2bin() which is in kernel library code. Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Tested-by: Xiang Chen <chenxiang66@hisilicon.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/libsas')
-rw-r--r--drivers/scsi/libsas/sas_scsi_host.c20
1 files changed, 4 insertions, 16 deletions
diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c
index 58476b728c57..626727207889 100644
--- a/drivers/scsi/libsas/sas_scsi_host.c
+++ b/drivers/scsi/libsas/sas_scsi_host.c
@@ -27,6 +27,7 @@
#include <linux/firmware.h>
#include <linux/export.h>
#include <linux/ctype.h>
+#include <linux/kernel.h>
#include "sas_internal.h"
@@ -946,21 +947,6 @@ void sas_target_destroy(struct scsi_target *starget)
sas_put_device(found_dev);
}
-static void sas_parse_addr(u8 *sas_addr, const char *p)
-{
- int i;
- for (i = 0; i < SAS_ADDR_SIZE; i++) {
- u8 h, l;
- if (!*p)
- break;
- h = isdigit(*p) ? *p-'0' : toupper(*p)-'A'+10;
- p++;
- l = isdigit(*p) ? *p-'0' : toupper(*p)-'A'+10;
- p++;
- sas_addr[i] = (h<<4) | l;
- }
-}
-
#define SAS_STRING_ADDR_SIZE 16
int sas_request_addr(struct Scsi_Host *shost, u8 *addr)
@@ -977,7 +963,9 @@ int sas_request_addr(struct Scsi_Host *shost, u8 *addr)
goto out;
}
- sas_parse_addr(addr, fw->data);
+ res = hex2bin(addr, fw->data, strnlen(fw->data, SAS_ADDR_SIZE * 2) / 2);
+ if (res)
+ goto out;
out:
release_firmware(fw);