net/sfc/base: fix comparison always true warning

Loopback type used as bit index has efx_loopback_type_t type
which is enum. clang complains that it is always true when it
is compared with qword (64 bit) bits number boundary.

Fixes: 9ee64bd404fc ("net/sfc/base: import loopback control")
Cc: stable@dpdk.org
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>

diff --git a/drivers/net/sfc/base/efx_port.c b/drivers/net/sfc/base/efx_port.c
index 261ac62..33a1a08 100644 (file)
--- a/drivers/net/sfc/base/efx_port.c
+++ b/drivers/net/sfc/base/efx_port.c
@@ -120,7 +120,7 @@ efx_port_loopback_set(
        EFSYS_ASSERT(link_mode < EFX_LINK_NMODES);
 
        if (EFX_TEST_QWORD_BIT(encp->enc_loopback_types[link_mode],
-               loopback_type) == 0) {
+               (int)loopback_type) == 0) {
                rc = ENOTSUP;
                goto fail1;
        }