blob: 8a529af7b06b94a8e6758bf53c2a5115060cf916 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
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
@@ -2280,9 +2280,11 @@ 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;
|
