Chunfeng Yun f5e6253fe6 usb: core: buffer: avoid NULL pointer dereferrence ...

NULL pointer dereferrence will happen when class driver
wants to allocate zero length buffer and pool_max[0]
can't be used, so simply returns NULL in the case.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2016-04-28 12:35:36 -07:00

3.7 KiB

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