patch "usb: cdnsp: Fix segmentation fault in cdns_lost_power function" added to usb-linus
This is a note to let you know that I've just added the patch titled
usb: cdnsp: Fix segmentation fault in cdns_lost_power function
to my usb git tree which can be found at
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git
in the usb-linus branch.
The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.)
The patch will hopefully also be merged in Linus's tree for the next -rc kernel release.
If you have any questions about this process, please let me know.
From 79aa3e19fe8f5be30e846df8a436bfe306e8b1a6 Mon Sep 17 00:00:00 2001
From: Pawel Laszczak <[email protected]>
Date: Tue, 11 Jan 2022 10:07:37 +0100
Subject: usb: cdnsp: Fix segmentation fault in cdns_lost_power function
CDNSP driver read not initialized cdns->otg_v0_regs which lead to segmentation fault. Patch fixes this issue.
--- drivers/usb/cdns3/drd.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
drivers/usb/cdns3/drd.c +3 -3
@@ -483,11 +483,11 @@ int cdns_drd_exit(struct cdns *cdns)/* Indicate the cdns3 core was power lost before */ bool cdns_power_is_lost (struct cdns *cdns) { -if (cdns->version ==CDNS3_CONTROLLER_V1 ) { -if (!(readl (&cdns->otg_v1_regs->simulate) &BIT (0 ))) +if (cdns->version ==CDNS3_CONTROLLER_V0 ) { +if (!(readl (&cdns->otg_v0_regs->simulate) &BIT (0 )))return true; }else { -if (!(readl (&cdns->otg_v0_regs->simulate) &BIT (0 ))) +if (!(readl (&cdns->otg_v1_regs->simulate) &BIT (0 )))return true; }return false;
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2.35.0