diff options
| author | Mircea Gherzan <mgherzan@gmail.com> | 2012-03-17 21:41:53 +0400 |
|---|---|---|
| committer | Luciano Coelho <coelho@ti.com> | 2012-04-10 13:14:58 +0400 |
| commit | 690142e9882679fac4993bbb01582dd1b9440605 (patch) | |
| tree | 3ad1a00af4fa9c26a8cd526c473d1dee45f1b7a4 /drivers/net/wireless/wl12xx/boot.c | |
| parent | c56dbd57f3627203f2384ae1a5e71cf41904370e (diff) | |
| download | linux-690142e9882679fac4993bbb01582dd1b9440605.tar.xz | |
wl12xx: fix DMA-API-related warnings
On the PandaBoard (omap_hsmmc + wl12xx_sdio) with DMA_API_DEBUG:
WARNING: at lib/dma-debug.c:930 check_for_stack.part.8+0x7c/0xe0()
omap_hsmmc omap_hsmmc.4: DMA-API: device driver maps memory fromstack
Signed-off-by: Mircea Gherzan <mgherzan@gmail.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
Diffstat (limited to 'drivers/net/wireless/wl12xx/boot.c')
| -rw-r--r-- | drivers/net/wireless/wl12xx/boot.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/net/wireless/wl12xx/boot.c b/drivers/net/wireless/wl12xx/boot.c index 954101d03f06..88d60c40b7e3 100644 --- a/drivers/net/wireless/wl12xx/boot.c +++ b/drivers/net/wireless/wl12xx/boot.c @@ -83,14 +83,22 @@ static void wl1271_parse_fw_ver(struct wl1271 *wl) static void wl1271_boot_fw_version(struct wl1271 *wl) { - struct wl1271_static_data static_data; + struct wl1271_static_data *static_data; - wl1271_read(wl, wl->cmd_box_addr, &static_data, sizeof(static_data), + static_data = kmalloc(sizeof(*static_data), GFP_DMA); + if (!static_data) { + __WARN(); + return; + } + + wl1271_read(wl, wl->cmd_box_addr, static_data, sizeof(*static_data), false); - strncpy(wl->chip.fw_ver_str, static_data.fw_version, + strncpy(wl->chip.fw_ver_str, static_data->fw_version, sizeof(wl->chip.fw_ver_str)); + kfree(static_data); + /* make sure the string is NULL-terminated */ wl->chip.fw_ver_str[sizeof(wl->chip.fw_ver_str) - 1] = '\0'; |