bcm27xx: update patches from RPi foundation

[openwrt/staging/luka.git] / target / linux / bcm27xx / patches-5.4 / 950-0687-media-i2c-ov5467-Fixup-error-path-to-release-mutex.patch

diff --git a/target/linux/bcm27xx/patches-5.4/950-0687-media-i2c-ov5467-Fixup-error-path-to-release-mutex.patch b/target/linux/bcm27xx/patches-5.4/950-0687-media-i2c-ov5467-Fixup-error-path-to-release-mutex.patch
new file mode 100644 (file)
index 0000000..d8a0104
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0687-media-i2c-ov5467-Fixup-error-path-to-release-mutex.patch
@@ -0,0 +1,29 @@
+From 0c447a38b9d561a80d78ffd7f4533fef75cd1393 Mon Sep 17 00:00:00 2001
+From: Dave Stevenson <dave.stevenson@raspberrypi.com>
+Date: Wed, 29 Apr 2020 11:50:52 +0100
+Subject: [PATCH] media: i2c: ov5467: Fixup error path to release mutex
+
+"87f3ab9 media: ov5647: Add basic support for multiple sensor modes."
+added a return path ov5647_set_fmt that didn't release the device
+mutex that it had claimed.
+Release the mutex.
+
+Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
+---
+ drivers/media/i2c/ov5647.c | 4 +++-
+ 1 file changed, 3 insertions(+), 1 deletion(-)
+
+--- a/drivers/media/i2c/ov5647.c
++++ b/drivers/media/i2c/ov5647.c
+@@ -1146,8 +1146,10 @@ static int ov5647_set_fmt(struct v4l2_su
+       else
+               mode = mode_8bit;
+ 
+-      if (!mode)
++      if (!mode) {
++              mutex_unlock(&state->lock);
+               return -EINVAL;
++      }
+ 
+       *fmt = mode->format;
+       if (format->which == V4L2_SUBDEV_FORMAT_TRY) {