diff options
| author | Joe Perches <joe@perches.com> | 2013-03-15 07:23:58 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-03-17 12:50:24 -0400 |
| commit | 1f9061d27d3d2028805549c4a306324a48209057 (patch) | |
| tree | 7cfb1a92933f5a9bba6745b68b6a964d9e757ef9 /drivers/net/irda/w83977af_ir.c | |
| parent | 7f9421c264f8a6e6137027a45ae576517f66fa56 (diff) | |
| download | op-kernel-dev-1f9061d27d3d2028805549c4a306324a48209057.zip op-kernel-dev-1f9061d27d3d2028805549c4a306324a48209057.tar.gz | |
drivers:net: dma_alloc_coherent: use __GFP_ZERO instead of memset(, 0)
Reduce the number of calls required to alloc
a zeroed block of memory.
Trivially reduces overall object size.
Other changes around these removals
o Neaten call argument alignment
o Remove an unnecessary OOM message after dma_alloc_coherent failure
o Remove unnecessary gfp_t stack variable
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/irda/w83977af_ir.c')
| -rw-r--r-- | drivers/net/irda/w83977af_ir.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/net/irda/w83977af_ir.c b/drivers/net/irda/w83977af_ir.c index f5bb92f..bb8857a 100644 --- a/drivers/net/irda/w83977af_ir.c +++ b/drivers/net/irda/w83977af_ir.c @@ -216,22 +216,19 @@ static int w83977af_open(int i, unsigned int iobase, unsigned int irq, /* Allocate memory if needed */ self->rx_buff.head = dma_alloc_coherent(NULL, self->rx_buff.truesize, - &self->rx_buff_dma, GFP_KERNEL); + &self->rx_buff_dma, GFP_KERNEL | __GFP_ZERO); if (self->rx_buff.head == NULL) { err = -ENOMEM; goto err_out1; } - memset(self->rx_buff.head, 0, self->rx_buff.truesize); - self->tx_buff.head = dma_alloc_coherent(NULL, self->tx_buff.truesize, - &self->tx_buff_dma, GFP_KERNEL); + &self->tx_buff_dma, GFP_KERNEL | __GFP_ZERO); if (self->tx_buff.head == NULL) { err = -ENOMEM; goto err_out2; } - memset(self->tx_buff.head, 0, self->tx_buff.truesize); self->rx_buff.in_frame = FALSE; self->rx_buff.state = OUTSIDE_FRAME; |
