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greybus: zero all data buffers

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Don't assume the buffer data area will all be overwritten.  Zero all
buffer space, to avoid sending crap over the wire.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
This commit is contained in:
Alex Elder 2014-10-16 06:35:28 -05:00 • committed by Greg Kroah-Hartman
commit a7901d5ef7
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/greybus/es1-ap-usb.c
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@ -113,7 +113,7 @@ static int alloc_gbuf_data(struct gbuf *gbuf, unsigned int size,
* CPort Id before the data; set aside an extra byte for
* that purpose in that case.
*/
buffer = kmalloc(cport_reserve + size, gfp_mask);
buffer = kzalloc(cport_reserve + size, gfp_mask);
if (!buffer)
return -ENOMEM;