“a75b61d528906fc6bf94226be2cce87e31cd18ff”上不存在“drivers/hv/ring_buffer.c”
提交 8f761988 编写于 作者: P popcornmix 提交者: Zheng Zengkai

clk-bcm2835: Avoid null pointer exception

raspberrypi inclusion
category: feature
bugzilla: 50432

--------------------------------

clk_desc_array[BCM2835_PLLB] doesn't exist so we dereference null when iterating
Signed-off-by: Npopcornmix <popcornmix@gmail.com>
Signed-off-by: NFang Yafen <yafen@iscas.ac.cn>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>
上级 689872e9
...@@ -2310,10 +2310,12 @@ static bool bcm2835_clk_is_claimed(const char *name) ...@@ -2310,10 +2310,12 @@ static bool bcm2835_clk_is_claimed(const char *name)
int i; int i;
for (i = 0; i < ARRAY_SIZE(clk_desc_array); i++) { for (i = 0; i < ARRAY_SIZE(clk_desc_array); i++) {
if (clk_desc_array[i].data) {
const char *clk_name = *(const char **)(clk_desc_array[i].data); const char *clk_name = *(const char **)(clk_desc_array[i].data);
if (!strcmp(name, clk_name)) if (!strcmp(name, clk_name))
return bcm2835_clk_claimed[i]; return bcm2835_clk_claimed[i];
} }
}
return false; return false;
} }
......
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