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Diffstat (limited to 'target/linux/bcm27xx/patches-4.19/950-0755-clk-bcm2835-Avoid-null-pointer-exception.patch')
-rw-r--r--target/linux/bcm27xx/patches-4.19/950-0755-clk-bcm2835-Avoid-null-pointer-exception.patch29
1 files changed, 29 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-4.19/950-0755-clk-bcm2835-Avoid-null-pointer-exception.patch b/target/linux/bcm27xx/patches-4.19/950-0755-clk-bcm2835-Avoid-null-pointer-exception.patch
new file mode 100644
index 0000000000..a0939d77a0
--- /dev/null
+++ b/target/linux/bcm27xx/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;