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| author | Denis Bolotin <denis.bolotin@cavium.com> | 2018-11-19 17:28:30 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-12-13 11:18:49 +0300 |
| commit | 9dded0ffdeb7fa10698d534978892b406b60c91e (patch) | |
| tree | 4ea21b81b2e17546e61c4b4f73a5dce5119e1987 /drivers/net/ethernet/qlogic | |
| parent | 4b4c6714a19792f616fc03696594dafbb5a9b9a1 (diff) | |
| download | linux-9dded0ffdeb7fa10698d534978892b406b60c91e.tar.xz | |
qed: Fix bitmap_weight() check
[ 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>
Diffstat (limited to 'drivers/net/ethernet/qlogic')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_dev.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_dev.c b/drivers/net/ethernet/qlogic/qed/qed_dev.c index ef2374699726..a51cd1028ecb 100644 --- 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: |