openwrt/target/linux/bcm27xx/patches-5.4/950-0270-clk-bcm2835-Avoid-null-pointer-exception.patch
Adrian Schmutzler 36aa27189a kernel: bump 5.4 to 5.4.60
Deleted upstream patches:
  generic:
    041-genirq-affinity-Make-affinity-setting-if-activated-o.patch
  ipq806x:
    093-5-v5.8-ipq806x-PCI-qcom-Define-some-PARF-params-needed-for-ipq8064-SoC.patch
    093-6-v5.8-ipq806x-PCI-qcom-Add-support-for-tx-term-offset-for-rev-2_1_0.patch

Merged manually:
  ipq806x:
    093-4-v5.8-ipq806x-PCI-qcom-Use-bulk-clk-api-and-assert-on-error.patch
  layerscape:
    804-crypto-0016-MLKU-114-1-crypto-caam-reduce-page-0-regs-access-to-.patch

Build-tested: ath79/generic, ipq806x, layerscape/armv7, layerscape/armv8_64b
Run-tested: ipq806x (R7800)

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
2020-08-24 17:33:58 +02:00

30 lines
973 B
Diff

From 7316a9e5720c2f4112a96b32c4ec78d94a44adcf 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
@@ -2278,9 +2278,11 @@ 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;