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authorDan Carpenter <error27@gmail.com>2011-06-25 08:54:46 +0300
committerBen Skeggs <bskeggs@redhat.com>2011-06-27 09:20:27 +1000
commit60f7ab06651db7d9916c0d9138ed3b12676e920d (patch)
tree1f7c59c96bb11c32e5abdf46cd949593595a0bd7 /drivers/gpu/drm
parent3b40d07d8c4a9dc33ee6e1b4ad1d377309531ffe (diff)
drm/nouveau: error paths leak in nvc0_graph_construct_context()
Two of these error paths returned without freeing "ctx". Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/nouveau/nvc0_graph.c22
1 files changed, 12 insertions, 10 deletions
diff --git a/drivers/gpu/drm/nouveau/nvc0_graph.c b/drivers/gpu/drm/nouveau/nvc0_graph.c
index 39e9208a708..3a97431996c 100644
--- a/drivers/gpu/drm/nouveau/nvc0_graph.c
+++ b/drivers/gpu/drm/nouveau/nvc0_graph.c
@@ -106,7 +106,8 @@ nvc0_graph_construct_context(struct nouveau_channel *chan)
if (!nv_wait(dev, 0x409800, 0x80000000, 0x80000000)) {
NV_ERROR(dev, "PGRAPH: HUB_SET_CHAN timeout\n");
nvc0_graph_ctxctl_debug(dev);
- return -EBUSY;
+ ret = -EBUSY;
+ goto err;
}
} else {
nvc0_graph_load_context(chan);
@@ -119,10 +120,8 @@ nvc0_graph_construct_context(struct nouveau_channel *chan)
}
ret = nvc0_grctx_generate(chan);
- if (ret) {
- kfree(ctx);
- return ret;
- }
+ if (ret)
+ goto err;
if (!nouveau_ctxfw) {
nv_wr32(dev, 0x409840, 0x80000000);
@@ -131,14 +130,13 @@ nvc0_graph_construct_context(struct nouveau_channel *chan)
if (!nv_wait(dev, 0x409800, 0x80000000, 0x80000000)) {
NV_ERROR(dev, "PGRAPH: HUB_CTX_SAVE timeout\n");
nvc0_graph_ctxctl_debug(dev);
- return -EBUSY;
+ ret = -EBUSY;
+ goto err;
}
} else {
ret = nvc0_graph_unload_context_to(dev, chan->ramin->vinst);
- if (ret) {
- kfree(ctx);
- return ret;
- }
+ if (ret)
+ goto err;
}
for (i = 0; i < priv->grctx_size; i += 4)
@@ -146,6 +144,10 @@ nvc0_graph_construct_context(struct nouveau_channel *chan)
priv->grctx_vals = ctx;
return 0;
+
+err:
+ kfree(ctx);
+ return ret;
}
static int