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| author | Amitkumar Karwar <akarwar@marvell.com> | 2014-09-18 08:04:01 -0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2014-09-30 13:17:13 -0400 |
| commit | 24716876d82ac0cb7ade51b7363ebc125307e9cc (patch) | |
| tree | d3d0b9539612f5c8db903f68e8df3006d5f12060 /drivers/net/wireless/mwifiex | |
| parent | 34ed780a6afc4df5e3285d20fac721c591e0724e (diff) | |
| download | linux-24716876d82ac0cb7ade51b7363ebc125307e9cc.tar.gz linux-24716876d82ac0cb7ade51b7363ebc125307e9cc.tar.bz2 linux-24716876d82ac0cb7ade51b7363ebc125307e9cc.zip | |
mwifiex: error path handling in pcie firmware dump
This patch takes care of missing error paths in firmware dump.
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/mwifiex')
| -rw-r--r-- | drivers/net/wireless/mwifiex/pcie.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c index 1504b16e248e..803b8304b144 100644 --- a/drivers/net/wireless/mwifiex/pcie.c +++ b/drivers/net/wireless/mwifiex/pcie.c @@ -2243,8 +2243,8 @@ mwifiex_pcie_rdwr_firmware(struct mwifiex_adapter *adapter, u8 doneflag) if (ctrl_data != FW_DUMP_HOST_READY) { dev_info(adapter->dev, "The ctrl reg was changed, re-try again!\n"); - mwifiex_write_reg(adapter, reg->fw_dump_ctrl, - FW_DUMP_HOST_READY); + ret = mwifiex_write_reg(adapter, reg->fw_dump_ctrl, + FW_DUMP_HOST_READY); if (ret) { dev_err(adapter->dev, "PCIE write err\n"); return RDWR_STATUS_FAILURE; @@ -2266,6 +2266,7 @@ static void mwifiex_pcie_fw_dump_work(struct mwifiex_adapter *adapter) u8 *dbg_ptr, *end_ptr, dump_num, idx, i, read_reg, doneflag = 0; enum rdwr_status stat; u32 memory_size; + int ret; static char *env[] = { "DRIVER=mwifiex_pcie", "EVENT=fw_dump", NULL }; if (!card->pcie.supports_fw_dump) @@ -2337,11 +2338,13 @@ static void mwifiex_pcie_fw_dump_work(struct mwifiex_adapter *adapter) reg_end = creg->fw_dump_end; for (reg = reg_start; reg <= reg_end; reg++) { mwifiex_read_reg_byte(adapter, reg, dbg_ptr); - if (dbg_ptr < end_ptr) + if (dbg_ptr < end_ptr) { dbg_ptr++; - else + } else { dev_err(adapter->dev, "Allocated buf not enough\n"); + goto done; + } } if (stat != RDWR_STATUS_DONE) |