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authorArnaldo Carvalho de Melo <acme@redhat.com>2022-01-10 15:35:41 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2022-01-10 15:35:41 -0300
commitdebe70e488968e82282db48fbbcf84b5080f742c (patch)
tree90f96f07c499bfc5bdbbeab3ca4a81a5a7672b61 /drivers/net/ethernet/sfc/rx_common.c
parent65f8d08cf838df3c3d728cdef908090237931496 (diff)
parent133d9c53c9dcbb1b8f317e402e79c44d9eb725c9 (diff)
Merge remote-tracking branch 'torvalds/master' into perf/core
To pick up fixes. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'drivers/net/ethernet/sfc/rx_common.c')
-rw-r--r--drivers/net/ethernet/sfc/rx_common.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/ethernet/sfc/rx_common.c b/drivers/net/ethernet/sfc/rx_common.c
index 0983abc0cc5f..633ca77a26fd 100644
--- a/drivers/net/ethernet/sfc/rx_common.c
+++ b/drivers/net/ethernet/sfc/rx_common.c
@@ -45,6 +45,8 @@ static struct page *efx_reuse_page(struct efx_rx_queue *rx_queue)
unsigned int index;
struct page *page;
+ if (unlikely(!rx_queue->page_ring))
+ return NULL;
index = rx_queue->page_remove & rx_queue->page_ptr_mask;
page = rx_queue->page_ring[index];
if (page == NULL)
@@ -114,6 +116,9 @@ void efx_recycle_rx_pages(struct efx_channel *channel,
{
struct efx_rx_queue *rx_queue = efx_channel_get_rx_queue(channel);
+ if (unlikely(!rx_queue->page_ring))
+ return;
+
do {
efx_recycle_rx_page(channel, rx_buf);
rx_buf = efx_rx_buf_next(rx_queue, rx_buf);