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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>
Jay Vosburgh 17 rokov pred
rodič
commit
a42e534f1b
1 zmenil súbory, kde vykonal 11 pridanie a 6 odobranie
  1. 11 6
      drivers/net/bonding/bond_main.c

+ 11 - 6
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)