summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorMichel Dänzer <michel.daenzer@amd.com>2015-04-16 11:17:27 +0900
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-05-13 05:14:30 -0700
commit125ebdda23c3d9d4473e8b2591bc0fdaec931daa (patch)
treef56eabcde3ae9396fcb777e4b2a58010861f545d
parent3020ad2c93aa8ba98b0b7dbbad997500308400e6 (diff)
drm/radeon: Use drm_calloc_ab for CS relocs
commit b421ed15d2c3039eb724680e4de1e4b2bd196a9a upstream. The number of relocs is passed in by userspace and can be large. It has been observed to cause kcalloc failures in the wild. Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/gpu/drm/radeon/radeon_cs.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index 4d0f96cc3da4..ab39b85e0f76 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -88,7 +88,7 @@ static int radeon_cs_parser_relocs(struct radeon_cs_parser *p)
p->dma_reloc_idx = 0;
/* FIXME: we assume that each relocs use 4 dwords */
p->nrelocs = chunk->length_dw / 4;
- p->relocs = kcalloc(p->nrelocs, sizeof(struct radeon_bo_list), GFP_KERNEL);
+ p->relocs = drm_calloc_large(p->nrelocs, sizeof(struct radeon_bo_list));
if (p->relocs == NULL) {
return -ENOMEM;
}
@@ -428,7 +428,7 @@ static void radeon_cs_parser_fini(struct radeon_cs_parser *parser, int error, bo
}
}
kfree(parser->track);
- kfree(parser->relocs);
+ drm_free_large(parser->relocs);
drm_free_large(parser->vm_bos);
for (i = 0; i < parser->nchunks; i++)
drm_free_large(parser->chunks[i].kdata);