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authorJay Vosburgh <fubar@us.ibm.com>2008-01-29 18:07:43 -0800
committerDavid S. Miller <davem@davemloft.net>2008-02-03 04:28:11 -0800
commita42e534f1b6be7f2f68f83d29588c3f2736b4d25 (patch)
tree5a5d0ef85a0c71e4c290c130ee99b1b5beea5cfc
parentc800c5c9db9c621b2c1d70c3ae6532fafe2db69d (diff)
bonding: fix parameter parsing
My last fix (commit ece95f7fefe3afae19e641e1b3f5e64b00d5b948) didn't handle one case correctly. This resolves that, and it will now correctly parse parameters with arbitrary white space, and either text names or mode values. Signed-off-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/bonding/bond_main.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 2039f7838f2..2766855a5ae 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -4549,14 +4549,19 @@ static void bond_free_all(void)
int bond_parse_parm(const char *buf, struct bond_parm_tbl *tbl)
{
int mode = -1, i, rv;
- char modestr[BOND_MAX_MODENAME_LEN + 1] = { 0, };
+ char *p, modestr[BOND_MAX_MODENAME_LEN + 1] = { 0, };
- rv = sscanf(buf, "%d", &mode);
- if (!rv) {
+ for (p = (char *)buf; *p; p++)
+ if (!(isdigit(*p) || isspace(*p)))
+ break;
+
+ if (*p)
rv = sscanf(buf, "%20s", modestr);
- if (!rv)
- return -1;
- }
+ else
+ rv = sscanf(buf, "%d", &mode);
+
+ if (!rv)
+ return -1;
for (i = 0; tbl[i].modename; i++) {
if (mode == tbl[i].mode)