On Thu, Mar 22, 2018 at 02:53:11PM -0500, Bin Liu wrote: > From: Krzysztof Opasiak <[email protected]> > > commit 749494b6bdbbaf0899aa1c62a1ad74cd747bce47 upstream. > > Since commit: ba1582f22231 ("usb: gadget: f_hid: use alloc_ep_req()") > we cannot allocate any requests in bind() as we check if we should > align request buffer based on endpoint descriptor which is assigned > in set_alt(). > > Allocating request in bind() function causes a NULL pointer > dereference. > > This commit moves allocation of IN request from bind() to set_alt() > to prevent this issue. > > Fixes: ba1582f22231 ("usb: gadget: f_hid: use alloc_ep_req()") > Tested-by: David Lechner <[email protected]> > Signed-off-by: Krzysztof Opasiak <[email protected]> > Signed-off-by: Felipe Balbi <[email protected]> > Signed-off-by: Greg Kroah-Hartman <[email protected]> > --- > > This backport is for v4.9 only.
Thanks, now queued up. greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
