V4L/DVB (6261): Cleans mem->vmalloc after vfree

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

diff --git a/drivers/media/video/videobuf-vmalloc.c b/drivers/media/video/videobuf-vmalloc.c
index 993d5285e18e6dc607f59531f3494b95d75d66b9..6ef4f523689a7bafed58ff430a1072580235869e 100644 (file)
--- a/drivers/media/video/videobuf-vmalloc.c
+++ b/drivers/media/video/videobuf-vmalloc.c
@@ -372,6 +372,7 @@ void videobuf_vmalloc_free (struct videobuf_buffer *buf)
        MAGIC_CHECK(mem->magic,MAGIC_VMAL_MEM);
 
        vfree(mem->vmalloc);
+       mem->vmalloc=NULL;
 
        return;
 }