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authorÁlvaro Fernández Rojas <noltari@gmail.com>2021-02-18 18:04:33 +0100
committerÁlvaro Fernández Rojas <noltari@gmail.com>2021-02-18 23:42:32 +0100
commitf07e572f6447465d8938679533d604e402b0f066 (patch)
treecb333bd2a67e59e7c07659514850a0fd55fc825e /target/linux/bcm27xx/patches-5.4/950-0379-driver-char-rpivid-Add-error-handling-to-the-legacy-.patch
parent5d3a6fd970619dfc55f8259035c3027d7613a2a6 (diff)
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bcm27xx: import latest patches from the RPi foundation
bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G bcm2710: boot tested on RPi 3B v1.2 bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0379-driver-char-rpivid-Add-error-handling-to-the-legacy-.patch')
-rw-r--r--target/linux/bcm27xx/patches-5.4/950-0379-driver-char-rpivid-Add-error-handling-to-the-legacy-.patch42
1 files changed, 42 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0379-driver-char-rpivid-Add-error-handling-to-the-legacy-.patch b/target/linux/bcm27xx/patches-5.4/950-0379-driver-char-rpivid-Add-error-handling-to-the-legacy-.patch
new file mode 100644
index 0000000000..52aa87ed04
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0379-driver-char-rpivid-Add-error-handling-to-the-legacy-.patch
@@ -0,0 +1,42 @@
+From 7b4ea31990c1c43ad8ea86d42c1e451c85933d87 Mon Sep 17 00:00:00 2001
+From: Dave Stevenson <dave.stevenson@raspberrypi.com>
+Date: Wed, 15 Jan 2020 14:02:43 +0000
+Subject: [PATCH] driver: char: rpivid: Add error handling to the
+ legacy device load
+
+The return value from device_create for the legacy device was never
+checked or handled. Add the required error handling.
+
+Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
+---
+ drivers/char/broadcom/rpivid-mem.c | 11 +++++++++--
+ 1 file changed, 9 insertions(+), 2 deletions(-)
+
+--- a/drivers/char/broadcom/rpivid-mem.c
++++ b/drivers/char/broadcom/rpivid-mem.c
+@@ -201,9 +201,14 @@ static int rpivid_mem_probe(struct platf
+ oldname[3] = 'g';
+ oldname[4] = 'o';
+ oldname[5] = 'n';
+- (void)device_create(priv->class, NULL, priv->devid + 1, NULL,
+- oldname + 1);
++ dev = device_create(priv->class, NULL, priv->devid + 1, NULL,
++ oldname + 1);
+ kfree(oldname);
++
++ if (IS_ERR(dev)) {
++ err = PTR_ERR(dev);
++ goto failed_legacy_device_create;
++ }
+ }
+
+ dev_info(priv->dev, "%s initialised: Registers at 0x%08lx length 0x%08lx",
+@@ -211,6 +216,8 @@ static int rpivid_mem_probe(struct platf
+
+ return 0;
+
++failed_legacy_device_create:
++ device_destroy(priv->class, priv->devid);
+ failed_device_create:
+ class_destroy(priv->class);
+ failed_class_create: