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authorManish Chopra <manish.chopra@qlogic.com>2016-07-25 19:07:46 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-08-16 10:33:16 +0300
commite6ec788ea5bc4195f792b5e4d5d84c15ac7b899d (patch)
treeddcc1bba15ae121dd6084d3f148a3c25602ce011
parent3090b1b2fc832cb09f60b14c269fa717b99ed2b5 (diff)
downloadlinux-e6ec788ea5bc4195f792b5e4d5d84c15ac7b899d.tar.xz
qed: Fix setting/clearing bit in completion bitmap
[ Upstream commit 59d3f1ceb69b54569685d0c34dff16a1e0816b19 ] Slowpath completion handling is incorrectly changing SPQ_RING_SIZE bits instead of a single one. Fixes: 76a9a3642a0b ("qed: fix handling of concurrent ramrods") Signed-off-by: Manish Chopra <manish.chopra@qlogic.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/net/ethernet/qlogic/qed/qed_spq.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_spq.c b/drivers/net/ethernet/qlogic/qed/qed_spq.c
index 89469d5aae25..40e6f6c11f20 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_spq.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_spq.c
@@ -791,13 +791,12 @@ int qed_spq_completion(struct qed_hwfn *p_hwfn,
* in a bitmap and increasing the chain consumer only
* for the first successive completed entries.
*/
- bitmap_set(p_spq->p_comp_bitmap, pos, SPQ_RING_SIZE);
+ __set_bit(pos, p_spq->p_comp_bitmap);
while (test_bit(p_spq->comp_bitmap_idx,
p_spq->p_comp_bitmap)) {
- bitmap_clear(p_spq->p_comp_bitmap,
- p_spq->comp_bitmap_idx,
- SPQ_RING_SIZE);
+ __clear_bit(p_spq->comp_bitmap_idx,
+ p_spq->p_comp_bitmap);
p_spq->comp_bitmap_idx++;
qed_chain_return_produced(&p_spq->chain);
}