netdev - [PATCH 1/7] bonding: fix parameter parsing

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Message-Id: <12016588701127-git-send-email-fubar@us.ibm.com>
Date:	Tue, 29 Jan 2008 18:07:43 -0800
From:	Jay Vosburgh <fubar@...ibm.com>
To:	netdev@...r.kernel.org
Cc:	Jeff Garzik <jgarzik@...ox.com>, Jay Vosburgh <fubar@...ibm.com>
Subject: [PATCH 1/7] 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@...ibm.com>
---
 drivers/net/bonding/bond_main.c |   17 +++++++++++------
 1 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 49a1982..f3b1e02 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)
-- 
1.5.3.4.206.g58ba4-dirty

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