Commit b94badbb authored Aug 01, 2006 by Dmitry Torokhov Committed by Greg Kroah-Hartman Sep 27, 2006

USB: Make usb_buffer_free() NULL-safe



kfree() handles NULL arguments which is handy in error handling paths as one
does need to  insert bunch of ifs. How about making usb_buffer_free() do the
same?

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

parent 988440e7

drivers/usb/core/usb.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -762,6 +762,8 @@ void usb_buffer_free (
		{
		if (!dev \|\| !dev->bus \|\| !dev->bus->op \|\| !dev->bus->op->buffer_free)
		return;
		if (!addr)
		return;
		dev->bus->op->buffer_free (dev->bus, size, addr, dma);
		}

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