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s390/net: convert pnetids to ascii 

Pnetids are retrieved from the underlying hardware as EBCDIC. This patch
converts pnetids to ASCII.

Signed-off-by: Hans Wippel <hwippel@linux.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hans Wippel 2019-02-21 13:00:59 +01:00 committed by David S. Miller
parent cecc7a317d
commit 390dde0844
1 changed files with 3 additions and 0 deletions
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3
arch/s390/net/pnet.c
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@ -12,6 +12,7 @@
#include <asm/ccwgroup.h>
#include <asm/ccwdev.h>
#include <asm/pnet.h>
#include <asm/ebcdic.h>
#define PNETIDS_LEN 64 /* Total utility string length in bytes
* to cover up to 4 PNETIDs of 16 bytes
@ -48,6 +49,7 @@ static int pnet_ids_by_device(struct device *dev, u8 *pnetids)
if (!util_str)
return -ENOMEM;
memcpy(pnetids, util_str, PNETIDS_LEN);
EBCASC(pnetids, PNETIDS_LEN);
kfree(util_str);
return 0;
}
@ -55,6 +57,7 @@ static int pnet_ids_by_device(struct device *dev, u8 *pnetids)
struct zpci_dev *zdev = to_zpci(to_pci_dev(dev));
memcpy(pnetids, zdev->util_str, sizeof(zdev->util_str));
EBCASC(pnetids, sizeof(zdev->util_str));
return 0;
}
return -EOPNOTSUPP;