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| author | Rafael J. Wysocki <rjw@sisk.pl> | 2009-07-30 19:38:04 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rjw@sisk.pl> | 2009-07-30 19:38:04 +0200 |
| commit | 2e6713c7662cc5ebc7346b033c404cb2f708fd51 (patch) | |
| tree | 8492ea548fea2d8243e4af4b877906afc4e32783 /drivers/gpu/drm/radeon/radeon_cs.c | |
| parent | b4093d6235b7e4249616651ee328600ced48a18a (diff) | |
| parent | 658874f05d040ca96eb5ba9b1c30ce0ff287d762 (diff) | |
| download | kernel_samsung_espresso10-2e6713c7662cc5ebc7346b033c404cb2f708fd51.zip kernel_samsung_espresso10-2e6713c7662cc5ebc7346b033c404cb2f708fd51.tar.gz kernel_samsung_espresso10-2e6713c7662cc5ebc7346b033c404cb2f708fd51.tar.bz2 | |
Merge branch 'master' into for-linus
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_cs.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_cs.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c index b843f9b..a169067 100644 --- a/drivers/gpu/drm/radeon/radeon_cs.c +++ b/drivers/gpu/drm/radeon/radeon_cs.c @@ -127,17 +127,23 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data) sizeof(struct drm_radeon_cs_chunk))) { return -EFAULT; } + p->chunks[i].length_dw = user_chunk.length_dw; + p->chunks[i].kdata = NULL; p->chunks[i].chunk_id = user_chunk.chunk_id; + if (p->chunks[i].chunk_id == RADEON_CHUNK_ID_RELOCS) { p->chunk_relocs_idx = i; } if (p->chunks[i].chunk_id == RADEON_CHUNK_ID_IB) { p->chunk_ib_idx = i; + /* zero length IB isn't useful */ + if (p->chunks[i].length_dw == 0) + return -EINVAL; } + p->chunks[i].length_dw = user_chunk.length_dw; cdata = (uint32_t *)(unsigned long)user_chunk.chunk_data; - p->chunks[i].kdata = NULL; size = p->chunks[i].length_dw * sizeof(uint32_t); p->chunks[i].kdata = kzalloc(size, GFP_KERNEL); if (p->chunks[i].kdata == NULL) { |