X-Git-Url: http://git.openwrt.org/?a=blobdiff_plain;f=target%2Flinux%2Fbrcm2708%2Fpatches-4.19%2F950-0755-clk-bcm2835-Avoid-null-pointer-exception.patch;fp=target%2Flinux%2Fbrcm2708%2Fpatches-4.19%2F950-0755-clk-bcm2835-Avoid-null-pointer-exception.patch;h=a0939d77a019fb0fd71dec0bb971badc7b0afabb;hb=84d555aa74434392b682fd9eb0fa701c89a046d6;hp=0000000000000000000000000000000000000000;hpb=953973c2991e8640549a55df7a0574a1abac8644;p=openwrt%2Fstaging%2Fchunkeey.git

diff --git a/target/linux/brcm2708/patches-4.19/950-0755-clk-bcm2835-Avoid-null-pointer-exception.patch b/target/linux/brcm2708/patches-4.19/950-0755-clk-bcm2835-Avoid-null-pointer-exception.patch
new file mode 100644
index 0000000000..a0939d77a0
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0755-clk-bcm2835-Avoid-null-pointer-exception.patch
@@ -0,0 +1,29 @@
+From 5b8a217fe818bc038592b8a5284ba0c18948fabf Mon Sep 17 00:00:00 2001
+From: popcornmix <popcornmix@gmail.com>
+Date: Tue, 6 Aug 2019 15:23:14 +0100
+Subject: [PATCH] clk-bcm2835: Avoid null pointer exception
+
+clk_desc_array[BCM2835_PLLB] doesn't exist so we dereference null when iterating
+
+Signed-off-by: popcornmix <popcornmix@gmail.com>
+---
+ drivers/clk/bcm/clk-bcm2835.c | 8 +++++---
+ 1 file changed, 5 insertions(+), 3 deletions(-)
+
+--- a/drivers/clk/bcm/clk-bcm2835.c
++++ b/drivers/clk/bcm/clk-bcm2835.c
+@@ -2288,9 +2288,11 @@ static bool bcm2835_clk_is_claimed(const
+ 	int i;
+ 
+ 	for (i = 0; i < ARRAY_SIZE(clk_desc_array); i++) {
+-		const char *clk_name = *(const char **)(clk_desc_array[i].data);
+-		if (!strcmp(name, clk_name))
+-		    return bcm2835_clk_claimed[i];
++		if (clk_desc_array[i].data) {
++			const char *clk_name = *(const char **)(clk_desc_array[i].data);
++			if (!strcmp(name, clk_name))
++				return bcm2835_clk_claimed[i];
++		}
+ 	}
+ 
+ 	return false;