Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.4 377/411] misc: rtsx: set NULL intfdata when probe fails | Date | Mon, 13 Jun 2022 12:10:50 +0200 |
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From: Shuah Khan <skhan@linuxfoundation.org>
[ Upstream commit f861d36e021e1ac4a0a2a1f6411d623809975d63 ]
rtsx_usb_probe() doesn't call usb_set_intfdata() to null out the interface pointer when probe fails. This leaves a stale pointer. Noticed the missing usb_set_intfdata() while debugging an unrelated invalid DMA mapping problem.
Fix it with a call to usb_set_intfdata(..., NULL).
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> Link: https://lore.kernel.org/r/20220429210913.46804-1-skhan@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/misc/cardreader/rtsx_usb.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/misc/cardreader/rtsx_usb.c b/drivers/misc/cardreader/rtsx_usb.c index a328cab11014..4aef33d07cc3 100644 --- a/drivers/misc/cardreader/rtsx_usb.c +++ b/drivers/misc/cardreader/rtsx_usb.c @@ -667,6 +667,7 @@ static int rtsx_usb_probe(struct usb_interface *intf, return 0; out_init_fail: + usb_set_intfdata(ucr->pusb_intf, NULL); usb_free_coherent(ucr->pusb_dev, IOBUF_SIZE, ucr->iobuf, ucr->iobuf_dma); return ret; -- 2.35.1
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