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mwifiex: do not overwrite error code from lower layer driver 

Instead of converting it to a bogus error code -1, we should
return the original error code from lower layer driver. This
error code will be printed so it may give user some clues on
what has happened.

Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Bing Zhao 2013-01-25 18:23:00 -08:00 committed by John W. Linville
parent 3220712d3a
commit 5b2e2eccab
2 changed files with 6 additions and 8 deletions
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10
drivers/net/wireless/mwifiex/sdio.c
View File

@ -332,7 +332,7 @@ mwifiex_write_data_sync(struct mwifiex_adapter *adapter,
u8 *buffer, u32 pkt_len, u32 port)
{
struct sdio_mmc_card *card = adapter->card;
int ret = -1;
int ret;
u8 blk_mode =
(port & MWIFIEX_SDIO_BYTE_MODE_MASK) ? BYTE_MODE : BLOCK_MODE;
u32 blk_size = (blk_mode == BLOCK_MODE) ? MWIFIEX_SDIO_BLOCK_SIZE : 1;
@ -350,8 +350,7 @@ mwifiex_write_data_sync(struct mwifiex_adapter *adapter,
sdio_claim_host(card->func);
if (!sdio_writesb(card->func, ioport, buffer, blk_cnt * blk_size))
ret = 0;
ret = sdio_writesb(card->func, ioport, buffer, blk_cnt * blk_size);
sdio_release_host(card->func);
@ -365,7 +364,7 @@ static int mwifiex_read_data_sync(struct mwifiex_adapter *adapter, u8 *buffer,
u32 len, u32 port, u8 claim)
{
struct sdio_mmc_card *card = adapter->card;
int ret = -1;
int ret;
u8 blk_mode = (port & MWIFIEX_SDIO_BYTE_MODE_MASK) ? BYTE_MODE
: BLOCK_MODE;
u32 blk_size = (blk_mode == BLOCK_MODE) ? MWIFIEX_SDIO_BLOCK_SIZE : 1;
@ -376,8 +375,7 @@ static int mwifiex_read_data_sync(struct mwifiex_adapter *adapter, u8 *buffer,
if (claim)
sdio_claim_host(card->func);
if (!sdio_readsb(card->func, buffer, ioport, blk_cnt * blk_size))
ret = 0;
ret = sdio_readsb(card->func, buffer, ioport, blk_cnt * blk_size);
if (claim)
sdio_release_host(card->func);

4
drivers/net/wireless/mwifiex/usb.c
View File

@ -672,7 +672,7 @@ static int mwifiex_write_data_sync(struct mwifiex_adapter *adapter, u8 *pbuf,
*len, &actual_length, timeout);
if (ret) {
dev_err(adapter->dev, "usb_bulk_msg for tx failed: %d\n", ret);
ret = -1;
return ret;
}
*len = actual_length;
@ -691,7 +691,7 @@ static int mwifiex_read_data_sync(struct mwifiex_adapter *adapter, u8 *pbuf,
*len, &actual_length, timeout);
if (ret) {
dev_err(adapter->dev, "usb_bulk_msg for rx failed: %d\n", ret);
ret = -1;
return ret;
}
*len = actual_length;