[4.14,76/77] net: hns: fix unsigned comparison to less than zero
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Message ID 20200601174029.578918387@linuxfoundation.org
State New
Headers show
Series
  • Untitled series #446656
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Commit Message

Greg KH June 1, 2020, 5:54 p.m. UTC
From: Colin Ian King <colin.king@canonical.com>

commit ea401685a20b5d631957f024bda86e1f6118eb20 upstream.

Currently mskid is unsigned and hence comparisons with negative
error return values are always false. Fix this by making mskid an
int.

Fixes: f058e46855dc ("net: hns: fix ICMP6 neighbor solicitation messages discard problem")
Addresses-Coverity: ("Operands don't affect result")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Mukesh Ojha <mojha@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch
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--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
@@ -2770,7 +2770,7 @@  static void set_promisc_tcam_enable(stru
 	struct hns_mac_cb *mac_cb;
 	u8 addr[ETH_ALEN] = {0};
 	u8 port_num;
-	u16 mskid;
+	int mskid;
 
 	/* promisc use vague table match with vlanid = 0 & macaddr = 0 */
 	hns_dsaf_set_mac_key(dsaf_dev, &mac_key, 0x00, port, addr);