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Code Issues Releases Activity

Update bus_dmamem_alloc()'s first call to malloc() such that M_WAITOK is

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specified when appropriate.

Reviewed by:	scottl
This commit is contained in:
Alan Cox 2008-07-15 03:34:49 +00:00
parent ff7b31cb8f
commit 36e6513df5
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=180533
3 changed files with 10 additions and 10 deletions
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8
sys/amd64/amd64/busdma_machdep.c
View File

@ -480,8 +480,6 @@ bus_dmamem_alloc(bus_dma_tag_t dmat, void** vaddr, int flags,
mflags = M_NOWAIT;
else
mflags = M_WAITOK;
if (flags & BUS_DMA_ZERO)
mflags |= M_ZERO;
/* If we succeed, no mapping/bouncing will be required */
*mapp = NULL;
@ -489,13 +487,15 @@ bus_dmamem_alloc(bus_dma_tag_t dmat, void** vaddr, int flags,
if (dmat->segments == NULL) {
dmat->segments = (bus_dma_segment_t *)malloc(
sizeof(bus_dma_segment_t) * dmat->nsegments, M_DEVBUF,
M_NOWAIT);
mflags);
if (dmat->segments == NULL) {
CTR4(KTR_BUSDMA, "%s: tag %p tag flags 0x%x error %d",
__func__, dmat, dmat->flags, ENOMEM);
return (ENOMEM);
}
}
if (flags & BUS_DMA_ZERO)
mflags |= M_ZERO;
/*
* XXX:
@ -531,7 +531,7 @@ bus_dmamem_alloc(bus_dma_tag_t dmat, void** vaddr, int flags,
pmap_change_attr((vm_offset_t)*vaddr, dmat->maxsize,
PAT_UNCACHEABLE);
CTR4(KTR_BUSDMA, "%s: tag %p tag flags 0x%x error %d",
__func__, dmat, dmat->flags, ENOMEM);
__func__, dmat, dmat->flags, 0);
return (0);
}

6
sys/i386/i386/busdma_machdep.c
View File

@ -488,8 +488,6 @@ bus_dmamem_alloc(bus_dma_tag_t dmat, void** vaddr, int flags,
mflags = M_NOWAIT;
else
mflags = M_WAITOK;
if (flags & BUS_DMA_ZERO)
mflags |= M_ZERO;
/* If we succeed, no mapping/bouncing will be required */
*mapp = NULL;
@ -497,13 +495,15 @@ bus_dmamem_alloc(bus_dma_tag_t dmat, void** vaddr, int flags,
if (dmat->segments == NULL) {
dmat->segments = (bus_dma_segment_t *)malloc(
sizeof(bus_dma_segment_t) * dmat->nsegments, M_DEVBUF,
M_NOWAIT);
mflags);
if (dmat->segments == NULL) {
CTR4(KTR_BUSDMA, "%s: tag %p tag flags 0x%x error %d",
__func__, dmat, dmat->flags, ENOMEM);
return (ENOMEM);
}
}
if (flags & BUS_DMA_ZERO)
mflags |= M_ZERO;
/*
* XXX:

6
sys/ia64/ia64/busdma_machdep.c
View File

@ -416,8 +416,6 @@ bus_dmamem_alloc(bus_dma_tag_t dmat, void** vaddr, int flags,
mflags = M_NOWAIT;
else
mflags = M_WAITOK;
if (flags & BUS_DMA_ZERO)
mflags |= M_ZERO;
/* If we succeed, no mapping/bouncing will be required */
*mapp = NULL;
@ -425,10 +423,12 @@ bus_dmamem_alloc(bus_dma_tag_t dmat, void** vaddr, int flags,
if (dmat->segments == NULL) {
dmat->segments = (bus_dma_segment_t *)malloc(
sizeof(bus_dma_segment_t) * dmat->nsegments, M_DEVBUF,
M_NOWAIT);
mflags);
if (dmat->segments == NULL)
return (ENOMEM);
}
if (flags & BUS_DMA_ZERO)
mflags |= M_ZERO;
/*
* XXX: