qed: Fix bitmap_weight() check

BugLink: https://bugs.launchpad.net/bugs/1837161
[ Upstream commit 276d43f0ae963312c0cd0e2b9a85fd11ac65dfcc ]

Fix the condition which verifies that only one flag is set. The API
bitmap_weight() should receive size in bits instead of bytes.

Fixes: b5a9ee7cf3be ("qed: Revise QM cofiguration")
Signed-off-by: Denis Bolotin <denis.bolotin@cavium.com>
Signed-off-by: Michal Kalderon <michal.kalderon@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Connor Kuehl <connor.kuehl@canonical.com>
Signed-off-by: Khalid Elmously <khalid.elmously@canonical.com>

diff --git a/drivers/net/ethernet/qlogic/qed/qed_dev.c b/drivers/net/ethernet/qlogic/qed/qed_dev.c
index 6f53a8e18bcabc9106d3f21de5a7ce6d7c8c88d9..2a0ec4fa73037e48430208957bec7dfa8c7ca729 100644 (file)
--- a/drivers/net/ethernet/qlogic/qed/qed_dev.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_dev.c
@@ -440,8 +440,11 @@ static u16 *qed_init_qm_get_idx_from_flags(struct qed_hwfn *p_hwfn,
        struct qed_qm_info *qm_info = &p_hwfn->qm_info;
 
        /* Can't have multiple flags set here */
-       if (bitmap_weight((unsigned long *)&pq_flags, sizeof(pq_flags)) > 1)
+       if (bitmap_weight((unsigned long *)&pq_flags,
+                         sizeof(pq_flags) * BITS_PER_BYTE) > 1) {
+               DP_ERR(p_hwfn, "requested multiple pq flags 0x%x\n", pq_flags);
                goto err;
+       }
 
        switch (pq_flags) {
        case PQ_FLAGS_RLS: