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[iscsi] Fix LUN parsing in the iSCSI root-path

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This commit is contained in:
Michael Brown 2008-09-26 21:30:53 +01:00
parent 6eaefa16a8
commit 2d41dead08
1 changed files with 14 additions and 11 deletions
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25
src/net/tcp/iscsi.c
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@ -1625,25 +1625,28 @@ enum iscsi_root_path_component {
*/
static int iscsi_parse_lun ( struct iscsi_session *iscsi,
const char *lun_string ) {
char *p = ( char * ) lun_string;
union {
uint64_t u64;
uint16_t u16[4];
} lun;
char *p;
int i;
/* Empty LUN; assume LUN 0 */
if ( ! *lun_string )
return 0;
for ( i = 0 ; i < 4 ; i++ ) {
lun.u16[i] = strtoul ( p, &p, 16 );
if ( *p != '-' )
memset ( &lun, 0, sizeof ( lun ) );
if ( lun_string ) {
p = ( char * ) lun_string;
for ( i = 0 ; i < 4 ; i++ ) {
lun.u16[i] = htons ( strtoul ( p, &p, 16 ) );
if ( *p == '\0' )
break;
if ( *p != '-' )
return -EINVAL;
p++;
}
if ( *p )
return -EINVAL;
p++;
}
if ( *p )
return -EINVAL;
iscsi->lun = lun.u64;
return 0;