30 lines
973 B
Diff
30 lines
973 B
Diff
From 17e36f484c42177981279d791cbc55a43c5d5a12 Mon Sep 17 00:00:00 2001
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From: popcornmix <popcornmix@gmail.com>
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Date: Tue, 6 Aug 2019 15:23:14 +0100
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Subject: [PATCH] clk-bcm2835: Avoid null pointer exception
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clk_desc_array[BCM2835_PLLB] doesn't exist so we dereference null when iterating
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Signed-off-by: popcornmix <popcornmix@gmail.com>
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---
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drivers/clk/bcm/clk-bcm2835.c | 8 +++++---
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1 file changed, 5 insertions(+), 3 deletions(-)
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--- a/drivers/clk/bcm/clk-bcm2835.c
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+++ b/drivers/clk/bcm/clk-bcm2835.c
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@@ -2310,9 +2310,11 @@ static bool bcm2835_clk_is_claimed(const
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int i;
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for (i = 0; i < ARRAY_SIZE(clk_desc_array); i++) {
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- const char *clk_name = *(const char **)(clk_desc_array[i].data);
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- if (!strcmp(name, clk_name))
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- return bcm2835_clk_claimed[i];
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+ if (clk_desc_array[i].data) {
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+ const char *clk_name = *(const char **)(clk_desc_array[i].data);
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+ if (!strcmp(name, clk_name))
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+ return bcm2835_clk_claimed[i];
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+ }
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}
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return false;
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