]> git.baikalelectronics.ru Git - kernel.git/commit
usb: chipidea: ci_hdrc_imx: fix potential error pointer dereference in probe
authorDan Carpenter <dan.carpenter@oracle.com>
Wed, 17 Nov 2021 07:49:23 +0000 (10:49 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 17 Nov 2021 14:05:18 +0000 (15:05 +0100)
commit311856e885412a1ec3a1cbbc1df25ccd25c9f3fc
tree2de0734b89afdc9741df9dc28a3f9c02c5974d29
parent74decaa58c7a66e8cc4b308f8e9f98c1ebdebec6
usb: chipidea: ci_hdrc_imx: fix potential error pointer dereference in probe

If the first call to devm_usb_get_phy_by_phandle(dev, "fsl,usbphy", 0)
fails with something other than -ENODEV then it leads to an error
pointer dereference.  For those errors we should just jump directly to
the error handling.

Fixes: 4019971c8455 ("usb: chipidea: ci_hdrc_imx: Also search for 'phys' phandle")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20211117074923.GF5237@kili
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/chipidea/ci_hdrc_imx.c