diff options
| author | Markus Elfring <elfring@users.sourceforge.net> | 2019-08-21 20:10:56 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-08-23 01:22:03 +0200 |
| commit | 0f817a5eb9e33cec5baf9dc265bdf240b03cf51b (patch) | |
| tree | 356976032586241d3c12d7b1172a1bc0b2a6aeb2 /drivers/isdn/hardware/mISDN/w6692.c | |
| parent | net: fec: add C45 MDIO read/write support (diff) | |
| download | linux-0f817a5eb9e33cec5baf9dc265bdf240b03cf51b.tar.xz linux-0f817a5eb9e33cec5baf9dc265bdf240b03cf51b.zip | |
mISDN: Delete unnecessary checks before the macro call “dev_kfree_skb”
The dev_kfree_skb() function performs also input parameter validation.
Thus the test around the shown calls is not needed.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/isdn/hardware/mISDN/w6692.c')
| -rw-r--r-- | drivers/isdn/hardware/mISDN/w6692.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/isdn/hardware/mISDN/w6692.c b/drivers/isdn/hardware/mISDN/w6692.c index 2402608dc98d..bad55fdacd36 100644 --- a/drivers/isdn/hardware/mISDN/w6692.c +++ b/drivers/isdn/hardware/mISDN/w6692.c @@ -356,8 +356,7 @@ handle_rxD(struct w6692_hw *card) { card->dch.err_rx++; #endif } - if (card->dch.rx_skb) - dev_kfree_skb(card->dch.rx_skb); + dev_kfree_skb(card->dch.rx_skb); card->dch.rx_skb = NULL; WriteW6692(card, W_D_CMDR, W_D_CMDR_RACK | W_D_CMDR_RRST); } else { @@ -376,8 +375,7 @@ handle_txD(struct w6692_hw *card) { if (card->dch.tx_skb && card->dch.tx_idx < card->dch.tx_skb->len) { W6692_fill_Dfifo(card); } else { - if (card->dch.tx_skb) - dev_kfree_skb(card->dch.tx_skb); + dev_kfree_skb(card->dch.tx_skb); if (get_next_dframe(&card->dch)) W6692_fill_Dfifo(card); } @@ -636,8 +634,7 @@ send_next(struct w6692_ch *wch) if (wch->bch.tx_skb && wch->bch.tx_idx < wch->bch.tx_skb->len) { W6692_fill_Bfifo(wch); } else { - if (wch->bch.tx_skb) - dev_kfree_skb(wch->bch.tx_skb); + dev_kfree_skb(wch->bch.tx_skb); if (get_next_bframe(&wch->bch)) { W6692_fill_Bfifo(wch); test_and_clear_bit(FLG_TX_EMPTY, &wch->bch.Flags); |