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Groups > linux.kernel > #1270047
| From | SF Markus Elfring <elfring@users.sourceforge.net> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH] cxgb3: Delete unnecessary checks before the function call "kfree_skb" |
| Date | 2015-11-16 13:00 +0100 |
| Message-ID | <qvqBX-6QO-1@gated-at.bofh.it> (permalink) |
| References | (12 earlier) <mSsDN-4wa-59@gated-at.bofh.it> <mSsDN-4wa-61@gated-at.bofh.it> <mSsDN-4wa-63@gated-at.bofh.it> <mSsDN-4wa-65@gated-at.bofh.it> <mSsDN-4wa-33@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: Markus Elfring <elfring@users.sourceforge.net> Date: Mon, 16 Nov 2015 12:46:41 +0100 The kfree_skb() function tests whether its argument is NULL and then returns immediately. Thus the test around the calls is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> --- drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c | 3 +-- drivers/net/ethernet/chelsio/cxgb3/cxgb3_offload.c | 3 +-- 2 files changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c index 8f7aa53a..89f193b 100644 --- a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c +++ b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c @@ -3401,8 +3401,7 @@ static void remove_one(struct pci_dev *pdev) free_netdev(adapter->port[i]); iounmap(adapter->regs); - if (adapter->nofail_skb) - kfree_skb(adapter->nofail_skb); + kfree_skb(adapter->nofail_skb); kfree(adapter); pci_release_regions(pdev); pci_disable_device(pdev); diff --git a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_offload.c b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_offload.c index 76684dc..9a77339 100644 --- a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_offload.c +++ b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_offload.c @@ -1323,8 +1323,7 @@ void cxgb3_offload_deactivate(struct adapter *adapter) rcu_read_unlock(); RCU_INIT_POINTER(tdev->l2opt, NULL); call_rcu(&d->rcu_head, clean_l2_data); - if (t->nofail_skb) - kfree_skb(t->nofail_skb); + kfree_skb(t->nofail_skb); kfree(t); } -- 2.6.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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[PATCH] cxgb3: Delete unnecessary checks before the function call "kfree_skb" SF Markus Elfring <elfring@users.sourceforge.net> - 2015-11-16 13:00 +0100
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