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