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libaudiodriver: resolve Coverity warnings

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This commit is contained in:
David van Moolenbroek 2012-08-17 16:02:42 +00:00
parent caa7efa117
commit ca216b3d97
1 changed files with 13 additions and 7 deletions
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20
lib/libaudiodriver/audio_fw.c
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@ -790,11 +790,13 @@ static void data_from_user(sub_dev_t *subdev)
if (subdev->DmaLength < subdev->NrOfDmaFragments) { /* room in dma buf */
sys_safecopyfrom(subdev->SourceProcNr,
r = sys_safecopyfrom(subdev->SourceProcNr,
(vir_bytes)subdev->ReviveGrant, 0,
(vir_bytes)subdev->DmaPtr +
subdev->DmaFillNext * subdev->FragSize,
(phys_bytes)subdev->FragSize);
if (r != OK)
printf("%s:%d: safecopy failed\n", __FILE__, __LINE__);
subdev->DmaLength += 1;
@ -803,11 +805,13 @@ static void data_from_user(sub_dev_t *subdev)
} else { /* room in extra buf */
sys_safecopyfrom(subdev->SourceProcNr,
r = sys_safecopyfrom(subdev->SourceProcNr,
(vir_bytes)subdev->ReviveGrant, 0,
(vir_bytes)subdev->ExtraBuf +
subdev->BufFillNext * subdev->FragSize,
(phys_bytes)subdev->FragSize);
if (r != OK)
printf("%s:%d: safecopy failed\n", __FILE__, __LINE__);
subdev->BufLength += 1;
@ -857,11 +861,13 @@ static void data_to_user(sub_dev_t *sub_dev_ptr)
if(sub_dev_ptr->BufLength != 0) { /* data in extra buffer available */
sys_safecopyto(sub_dev_ptr->SourceProcNr,
r = sys_safecopyto(sub_dev_ptr->SourceProcNr,
(vir_bytes)sub_dev_ptr->ReviveGrant,
0, (vir_bytes)sub_dev_ptr->ExtraBuf +
sub_dev_ptr->BufReadNext * sub_dev_ptr->FragSize,
(phys_bytes)sub_dev_ptr->FragSize);
if (r != OK)
printf("%s:%d: safecopy failed\n", __FILE__, __LINE__);
/* adjust the buffer status variables */
sub_dev_ptr->BufReadNext =
@ -869,12 +875,14 @@ static void data_to_user(sub_dev_t *sub_dev_ptr)
sub_dev_ptr->BufLength -= 1;
} else { /* extra buf empty, but data in dma buf*/
sys_safecopyto(
r = sys_safecopyto(
sub_dev_ptr->SourceProcNr,
(vir_bytes)sub_dev_ptr->ReviveGrant, 0,
(vir_bytes)sub_dev_ptr->DmaPtr +
sub_dev_ptr->DmaReadNext * sub_dev_ptr->FragSize,
(phys_bytes)sub_dev_ptr->FragSize);
if (r != OK)
printf("%s:%d: safecopy failed\n", __FILE__, __LINE__);
/* adjust the buffer status variables */
sub_dev_ptr->DmaReadNext =
@ -933,9 +941,7 @@ static int init_buffers(sub_dev_t *sub_dev_ptr)
}
sub_dev_ptr->DmaPtr = sub_dev_ptr->DmaBuf;
i = sys_umap(SELF, VM_D,
(vir_bytes) sub_dev_ptr->DmaBuf,
(phys_bytes) sizeof(sub_dev_ptr->DmaBuf),
i = sys_umap(SELF, VM_D, (vir_bytes) base, (phys_bytes) size,
&(sub_dev_ptr->DmaPhys));
if (i != OK) {