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ath6kl: fix fw capability parsing

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This patch fixes a bug where no capabilites are parsed when the number
of firmware capability bits translate into fewer bytes than the host has
knowledge of. Instead just process number of capability bytes as
reported by the firmware.

Signed-off-by: Thomas Pedersen <c_tpeder@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Thomas Pedersen 2012-06-11 13:36:12 -07:00 committed by Kalle Valo
parent b5b6f6a9a0
commit c85251f856
1 changed files with 3 additions and 3 deletions
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6
drivers/net/wireless/ath/ath6kl/init.c
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@ -1004,9 +1004,6 @@ static int ath6kl_fetch_fw_apin(struct ath6kl *ar, const char *name)
ar->hw.reserved_ram_size);
break;
case ATH6KL_FW_IE_CAPABILITIES:
if (ie_len < DIV_ROUND_UP(ATH6KL_FW_CAPABILITY_MAX, 8))
break;
ath6kl_dbg(ATH6KL_DBG_BOOT,
"found firmware capabilities ie (%zd B)\n",
ie_len);
@ -1015,6 +1012,9 @@ static int ath6kl_fetch_fw_apin(struct ath6kl *ar, const char *name)
index = i / 8;
bit = i % 8;
if (index == ie_len)
break;
if (data[index] & (1 << bit))
__set_bit(i, ar->fw_capabilities);
}