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author | David S. Miller <davem@davemloft.net> | 2019-04-06 00:14:19 +0300 |
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committer | David S. Miller <davem@davemloft.net> | 2019-04-06 00:14:19 +0300 |
commit | f83f7151950dd9e0f6b4a1a405bf5e55c5294e4d (patch) | |
tree | f8d9d8ee821fcc9f0a8e1a8679bc622219c70e3b /drivers/net/ethernet/chelsio/libcxgb/libcxgb_ppm.c | |
parent | 8f4043f1253292495dbf9c8be0c1b07b4b9902b7 (diff) | |
parent | 7f46774c6480174eb869a3c15167eafac467a6af (diff) | |
download | linux-f83f7151950dd9e0f6b4a1a405bf5e55c5294e4d.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Minor comment merge conflict in mlx5.
Staging driver has a fixup due to the skb->xmit_more changes
in 'net-next', but was removed in 'net'.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/chelsio/libcxgb/libcxgb_ppm.c')
-rw-r--r-- | drivers/net/ethernet/chelsio/libcxgb/libcxgb_ppm.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/net/ethernet/chelsio/libcxgb/libcxgb_ppm.c b/drivers/net/ethernet/chelsio/libcxgb/libcxgb_ppm.c index 74849be5f004..e2919005ead3 100644 --- a/drivers/net/ethernet/chelsio/libcxgb/libcxgb_ppm.c +++ b/drivers/net/ethernet/chelsio/libcxgb/libcxgb_ppm.c @@ -354,7 +354,10 @@ static struct cxgbi_ppm_pool *ppm_alloc_cpu_pool(unsigned int *total, ppmax = max; /* pool size must be multiple of unsigned long */ - bmap = BITS_TO_LONGS(ppmax); + bmap = ppmax / BITS_PER_TYPE(unsigned long); + if (!bmap) + return NULL; + ppmax = (bmap * sizeof(unsigned long)) << 3; alloc_sz = sizeof(*pools) + sizeof(unsigned long) * bmap; @@ -402,6 +405,10 @@ int cxgbi_ppm_init(void **ppm_pp, struct net_device *ndev, if (reserve_factor) { ppmax_pool = ppmax / reserve_factor; pool = ppm_alloc_cpu_pool(&ppmax_pool, &pool_index_max); + if (!pool) { + ppmax_pool = 0; + reserve_factor = 0; + } pr_debug("%s: ppmax %u, cpu total %u, per cpu %u.\n", ndev->name, ppmax, ppmax_pool, pool_index_max); |