| commit | cd4765efdd816ac14075fc7d5adf489502e75e1e | [log] [tgz] |
|---|---|---|
| author | Mauro Carvalho Chehab <mchehab@infradead.org> | Tue Sep 25 11:53:24 2007 -0300 |
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | Wed Oct 10 00:02:55 2007 -0300 |
| tree | 6c7a119255c28349fdcd4b64379c545b8f7f3886 | |
| parent | 3bef5e4a1f73898dc8c8433f938d3a8b22f2be22 [diff] |
V4L/DVB (6265): Prevent for calling mmap_free without an allocated buffer Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org> http://thread.gmane.org/gmane.comp.video.video4linux/34978/focus=34981 Reviewed-by: Ricardo Cerqueira <v4l@cerqueira.org>
diff --git a/drivers/media/video/videobuf-core.c b/drivers/media/video/videobuf-core.c index 2565013..eb3b984 100644 --- a/drivers/media/video/videobuf-core.c +++ b/drivers/media/video/videobuf-core.c
@@ -880,6 +880,9 @@ int i; int rc; + if (!q) + return 0; + MAGIC_CHECK(q->int_ops->magic,MAGIC_QTYPE_OPS); rc = CALL(q,mmap_free,q);