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ath11k: fix up some error paths

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There are two error paths where "ret" wasn't set.  Also one error path
we set the error code to -EINVAL but we should just preserve the error
code from ath11k_hal_srng_get_entrysize().  That function only returns
-EINVAL so this doesn't change anything.

I removed the "ret = 0;" initializers so that hopefully GCC will be able
to detect these sorts of bugs in the future.

Fixes: d5c65159f2 ("ath11k: driver for Qualcomm IEEE 802.11ax devices")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Dan Carpenter 2020-01-15 20:46:52 +03:00 committed by Kalle Valo
parent 93634c6105
commit 7195c8747e
1 changed files with 11 additions and 11 deletions
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22
drivers/net/wireless/ath/ath11k/dp_tx.c
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@ -630,7 +630,7 @@ int ath11k_dp_tx_htt_srng_setup(struct ath11k_base *ab, u32 ring_id,
dma_addr_t hp_addr, tp_addr;
enum htt_srng_ring_type htt_ring_type;
enum htt_srng_ring_id htt_ring_id;
int ret = 0;
int ret;
skb = ath11k_htc_alloc_skb(ab, len);
if (!skb)
@ -642,9 +642,10 @@ int ath11k_dp_tx_htt_srng_setup(struct ath11k_base *ab, u32 ring_id,
hp_addr = ath11k_hal_srng_get_hp_addr(ab, srng);
tp_addr = ath11k_hal_srng_get_tp_addr(ab, srng);
if (ath11k_dp_tx_get_ring_id_type(ab, mac_id, ring_id,
ring_type, &htt_ring_type,
&htt_ring_id))
ret = ath11k_dp_tx_get_ring_id_type(ab, mac_id, ring_id,
ring_type, &htt_ring_type,
&htt_ring_id);
if (ret)
goto err_free;
skb_put(skb, len);
@ -669,10 +670,8 @@ int ath11k_dp_tx_htt_srng_setup(struct ath11k_base *ab, u32 ring_id,
HAL_ADDR_MSB_REG_SHIFT;
ret = ath11k_hal_srng_get_entrysize(ring_type);
if (ret < 0) {
ret = -EINVAL;
if (ret < 0)
goto err_free;
}
ring_entry_sz = ret;
@ -817,7 +816,7 @@ int ath11k_dp_tx_htt_rx_filter_setup(struct ath11k_base *ab, u32 ring_id,
int len = sizeof(*cmd);
enum htt_srng_ring_type htt_ring_type;
enum htt_srng_ring_id htt_ring_id;
int ret = 0;
int ret;
skb = ath11k_htc_alloc_skb(ab, len);
if (!skb)
@ -826,9 +825,10 @@ int ath11k_dp_tx_htt_rx_filter_setup(struct ath11k_base *ab, u32 ring_id,
memset(&params, 0, sizeof(params));
ath11k_hal_srng_get_params(ab, srng, &params);
if (ath11k_dp_tx_get_ring_id_type(ab, mac_id, ring_id,
ring_type, &htt_ring_type,
&htt_ring_id))
ret = ath11k_dp_tx_get_ring_id_type(ab, mac_id, ring_id,
ring_type, &htt_ring_type,
&htt_ring_id);
if (ret)
goto err_free;
skb_put(skb, len);