diff options
| author | Dave Airlie <airlied@redhat.com> | 2012-03-15 10:24:32 +0000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2012-03-15 10:24:32 +0000 |
| commit | 8229c885fe361e521ac64de36b16011e54a30de0 (patch) | |
| tree | 572e5d34b16713ddef9e803308c6f72014aff01b /kernel/relay.c | |
| parent | c3c50e8b651887bcefcc13beb3739c00b2379b5c (diff) | |
| parent | fde7d9049e55ab85a390be7f415d74c9f62dd0f9 (diff) | |
| download | blackbird-op-linux-8229c885fe361e521ac64de36b16011e54a30de0.tar.gz blackbird-op-linux-8229c885fe361e521ac64de36b16011e54a30de0.zip | |
drm: Merge tag 'v3.3-rc7' into drm-core-next
Merge the fixes so far into core-next, needed to test
intel driver.
Conflicts:
drivers/gpu/drm/i915/intel_ringbuffer.c
Diffstat (limited to 'kernel/relay.c')
| -rw-r--r-- | kernel/relay.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/kernel/relay.c b/kernel/relay.c index 4335e1d7ee2d..ab56a1764d4d 100644 --- a/kernel/relay.c +++ b/kernel/relay.c @@ -164,10 +164,14 @@ depopulate: */ static struct rchan_buf *relay_create_buf(struct rchan *chan) { - struct rchan_buf *buf = kzalloc(sizeof(struct rchan_buf), GFP_KERNEL); - if (!buf) + struct rchan_buf *buf; + + if (chan->n_subbufs > UINT_MAX / sizeof(size_t *)) return NULL; + buf = kzalloc(sizeof(struct rchan_buf), GFP_KERNEL); + if (!buf) + return NULL; buf->padding = kmalloc(chan->n_subbufs * sizeof(size_t *), GFP_KERNEL); if (!buf->padding) goto free_buf; @@ -574,6 +578,8 @@ struct rchan *relay_open(const char *base_filename, if (!(subbuf_size && n_subbufs)) return NULL; + if (subbuf_size > UINT_MAX / n_subbufs) + return NULL; chan = kzalloc(sizeof(struct rchan), GFP_KERNEL); if (!chan) |
