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qcacld-3.0: Handle failure scenario for qdf_nbuf_map()

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Handle failure scenario for qdf_nbuf_map() by freeing
allocated memory, returning failure/error etc.

Change-Id: I94b2ebbffc230f87804ad37a1f0a16c5ffeadbea
CRs-Fixed: 2028534
This commit is contained in:
Himanshu Agarwal 2017-04-04 12:40:04 +05:30 • committed by Sandeep Puligilla
commit 69d8466003
1 changed files with 11 additions and 1 deletions
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12
core/dp/htt/htt_tx.c
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@ -1174,6 +1174,7 @@ static int htt_tx_ipa_uc_wdi_tx_buf_alloc(struct htt_pdev_t *pdev,
uint32_t *header_ptr;
uint32_t *ring_vaddr;
uint16_t idx;
QDF_STATUS status;
ring_vaddr = pdev->ipa_uc_tx_rsc.tx_comp_base.vaddr;
/* Allocate TX buffers as many as possible */
@ -1199,7 +1200,16 @@ static int htt_tx_ipa_uc_wdi_tx_buf_alloc(struct htt_pdev_t *pdev,
*header_ptr |= ((uint16_t) uc_tx_partition_base +
tx_buffer_count) << 16;
qdf_nbuf_map(pdev->osdev, buffer_vaddr, QDF_DMA_BIDIRECTIONAL);
status = qdf_nbuf_map(pdev->osdev, buffer_vaddr,
QDF_DMA_BIDIRECTIONAL);
if (status != QDF_STATUS_SUCCESS) {
QDF_TRACE(QDF_MODULE_ID_HTT, QDF_TRACE_LEVEL_ERROR,
"%s: nbuf map failed, loop index: %d",
__func__, tx_buffer_count);
qdf_nbuf_free(buffer_vaddr);
return tx_buffer_count;
}
buffer_paddr = qdf_nbuf_get_frag_paddr(buffer_vaddr, 0);
header_ptr++;
*header_ptr = (uint32_t) (buffer_paddr +