tree 7fbe73e69b0f806b34a7e4ac8fe80c445deb171f
parent 758a6ba39ef6df4cdc615e5edd7bd86eab81a5f7
author Dan Carpenter <dan.carpenter@oracle.com> 1373324487 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1373391208 -0700

mwave: fix info leak in mwave_ioctl()

Smatch complains that on 64 bit systems, there is a hole in the
MW_ABILITIES struct between ->component_count and ->component_list[].
It leaks stack information from the mwave_ioctl() function.

I've added a memset() to initialize the struct to zero.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Greg KH <greg@kroah.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>