diff options
| author | Fuqian Huang <huangfq.daxian@gmail.com> | 2019-06-28 01:35:04 +0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2019-06-29 09:42:50 -0600 |
| commit | b71e8c13fa57811b64939ba7eb603775fb13c2eb (patch) | |
| tree | f25a5a8fb5247597a980200431b3296084918231 /drivers/block/mtip32xx | |
| parent | 15ddffcb341392ba56a28a0ff5d19d8f8cde1b80 (diff) | |
block: mtip32xx: Remove call to memset after dma_alloc_coherent
In commit af7ddd8a627c
("Merge tag 'dma-mapping-4.21' of git://git.infradead.org/users/hch/dma-mapping"),
dma_alloc_coherent has already zeroed the memory.
So memset is not needed.
Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/mtip32xx')
| -rw-r--r-- | drivers/block/mtip32xx/mtip32xx.c | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c index a14b09ab3a41..964f78cfffa0 100644 --- a/drivers/block/mtip32xx/mtip32xx.c +++ b/drivers/block/mtip32xx/mtip32xx.c @@ -1577,7 +1577,6 @@ static int exec_drive_command(struct mtip_port *port, u8 *command, ATA_SECT_SIZE * xfer_sz); return -ENOMEM; } - memset(buf, 0, ATA_SECT_SIZE * xfer_sz); } /* Build the FIS. */ @@ -2776,7 +2775,6 @@ static int mtip_dma_alloc(struct driver_data *dd) &port->block1_dma, GFP_KERNEL); if (!port->block1) return -ENOMEM; - memset(port->block1, 0, BLOCK_DMA_ALLOC_SZ); /* Allocate dma memory for command list */ port->command_list = @@ -2789,7 +2787,6 @@ static int mtip_dma_alloc(struct driver_data *dd) port->block1_dma = 0; return -ENOMEM; } - memset(port->command_list, 0, AHCI_CMD_TBL_SZ); /* Setup all pointers into first DMA region */ port->rxfis = port->block1 + AHCI_RX_FIS_OFFSET; @@ -3529,8 +3526,6 @@ static int mtip_init_cmd(struct blk_mq_tag_set *set, struct request *rq, if (!cmd->command) return -ENOMEM; - memset(cmd->command, 0, CMD_DMA_ALLOC_SZ); - sg_init_table(cmd->sg, MTIP_MAX_SG); return 0; } |