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usb: dwc2: Fix memory leak in dwc2_hcd_init

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commit 3755278f078460b021cd0384562977bf2039a57a upstream.

usb_create_hcd will alloc memory for hcd, and we should
call usb_put_hcd to free it when platform_get_resource()
fails to prevent memory leak.
goto error2 label instead error1 to fix this.

Fixes: 856e6e8e0f93 ("usb: dwc2: check return value after calling platform_get_resource()")
Cc: stable <stable@kernel.org>
Acked-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220530085413.44068-1-linmq006@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Miaoqian Lin 2022-05-30 12:54:12 +04:00 • committed by Greg Kroah-Hartman
commit 6506aff2dc
1 changed files with 1 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

2
drivers/usb/dwc2/hcd.c
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@ -5076,7 +5076,7 @@ int dwc2_hcd_init(struct dwc2_hsotg *hsotg)
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
retval = -EINVAL;
goto error1;
goto error2;
}
hcd->rsrc_start = res->start;
hcd->rsrc_len = resource_size(res);