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[SCSI] zfcp: fix module parameter parsing

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From: Heiko Carstens <heiko.carstens@de.ibm.com>

Fixes module parameter parsing for "device" parameter.  The original
module parameter was changed while parsing it.  This corrupted the
output in sysfs (/sys/module/zfcp/parameters/device).

Signed-off-by: Andreas Herrmann <aherrman@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Andreas Herrmann 2005-06-13 13:22:25 +02:00 committed by James Bottomley
parent 1db2c9c093
commit cd8a383ebc
1 changed files with 12 additions and 3 deletions
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15
drivers/s390/scsi/zfcp_aux.c
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@ -218,13 +218,20 @@ zfcp_in_els_dbf_event(struct zfcp_adapter *adapter, const char *text,
* Parse "device=..." parameter string.
*/
static int __init
zfcp_device_setup(char *str)
zfcp_device_setup(char *devstr)
{
char *tmp;
char *tmp, *str;
size_t len;
if (!str)
if (!devstr)
return 0;
len = strlen(devstr) + 1;
str = (char *) kmalloc(len, GFP_KERNEL);
if (!str)
goto err_out;
memcpy(str, devstr, len);
tmp = strchr(str, ',');
if (!tmp)
goto err_out;
@ -241,10 +248,12 @@ zfcp_device_setup(char *str)
zfcp_data.init_fcp_lun = simple_strtoull(tmp, &tmp, 0);
if (*tmp != '\0')
goto err_out;
kfree(str);
return 1;
err_out:
ZFCP_LOG_NORMAL("Parse error for device parameter string %s\n", str);
kfree(str);
return 0;
}