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USB: wusb: Use kcalloc instead of kzalloc to allocate array

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The advantage of kcalloc is, that will prevent integer overflows which could
result from the multiplication of number of elements and size and it is also
a bit nicer to read.

The semantic patch that makes this change is available
in https://lkml.org/lkml/2011/11/25/107

Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Thomas Meyer 2011-11-29 22:08:00 +01:00 committed by Greg Kroah-Hartman
parent 87763842b7
commit d5ca9db8f1
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/wusbcore/security.c
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@ -354,7 +354,7 @@ int wusb_dev_4way_handshake(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev,
struct wusb_keydvt_in keydvt_in;
struct wusb_keydvt_out keydvt_out;
hs = kzalloc(3*sizeof(hs[0]), GFP_KERNEL);
hs = kcalloc(3, sizeof(hs[0]), GFP_KERNEL);
if (hs == NULL) {
dev_err(dev, "can't allocate handshake data\n");
goto error_kzalloc;