diff options
Diffstat (limited to 'USB-ulpi-fix-bus-node-lookup.patch')
| -rw-r--r-- | USB-ulpi-fix-bus-node-lookup.patch | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/USB-ulpi-fix-bus-node-lookup.patch b/USB-ulpi-fix-bus-node-lookup.patch deleted file mode 100644 index 835cf2ab6..000000000 --- a/USB-ulpi-fix-bus-node-lookup.patch +++ /dev/null @@ -1,48 +0,0 @@ -From patchwork Sat Nov 11 15:31:18 2017 -Content-Type: text/plain; charset="utf-8" -MIME-Version: 1.0 -Content-Transfer-Encoding: 7bit -Subject: USB: ulpi: fix bus-node lookup -From: Johan Hovold <johan@kernel.org> -X-Patchwork-Id: 10054387 -Message-Id: <20171111153118.16038-1-johan@kernel.org> -To: Heikki Krogerus <heikki.krogerus@linux.intel.com> -Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, - linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, - linux-arm-msm@vger.kernel.org, Rob Clark <robdclark@gmail.com>, - Peter Robinson <pbrobinson@gmail.com>, Johan Hovold <johan@kernel.org>, - stable <stable@vger.kernel.org> -Date: Sat, 11 Nov 2017 16:31:18 +0100 - -Fix bus-node lookup during registration, which ended up searching the whole -device tree depth-first starting at the parent (or grand parent) rather -than just matching on its children. - -To make things worse, the parent (or grand-parent) node could end being -prematurely freed as well. - -Fixes: ef6a7bcfb01c ("usb: ulpi: Support device discovery via DT") -Reported-by: Peter Robinson <pbrobinson@gmail.com> -Reported-by: Stephen Boyd <sboyd@codeaurora.org> -Cc: stable <stable@vger.kernel.org> # 4.10 -Signed-off-by: Johan Hovold <johan@kernel.org> ---- - drivers/usb/common/ulpi.c | 4 ++-- - 1 file changed, 2 insertions(+), 2 deletions(-) - -diff --git a/drivers/usb/common/ulpi.c b/drivers/usb/common/ulpi.c -index 8b351444cc40..9a2ab6751a23 100644 ---- a/drivers/usb/common/ulpi.c -+++ b/drivers/usb/common/ulpi.c -@@ -180,9 +180,9 @@ static int ulpi_of_register(struct ulpi *ulpi) - /* Find a ulpi bus underneath the parent or the grandparent */ - parent = ulpi->dev.parent; - if (parent->of_node) -- np = of_find_node_by_name(parent->of_node, "ulpi"); -+ np = of_get_child_by_name(parent->of_node, "ulpi"); - else if (parent->parent && parent->parent->of_node) -- np = of_find_node_by_name(parent->parent->of_node, "ulpi"); -+ np = of_get_child_by_name(parent->parent->of_node, "ulpi"); - if (!np) - return 0; - |