Messages in this thread Patch in this message | | | From | Anastasia Belova <> | Subject | [PATCH] MIPS: BCM63xx: Add check for NULL for clk in clk_enable | Date | Fri, 25 Nov 2022 12:26:01 +0300 |
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Check clk for NULL before calling clk_enable_unlocked where clk is dereferenced. There is such check in other implementations of clk_enable.
Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: e7300d04bd08 ("MIPS: BCM63xx: Add support for the Broadcom BCM63xx family of SOCs.") Signed-off-by: Anastasia Belova <abelova@astralinux.ru> --- arch/mips/bcm63xx/clk.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/arch/mips/bcm63xx/clk.c b/arch/mips/bcm63xx/clk.c index 6e6756e8fa0a..401140cf36d9 100644 --- a/arch/mips/bcm63xx/clk.c +++ b/arch/mips/bcm63xx/clk.c @@ -361,6 +361,9 @@ static struct clk clk_periph = { */ int clk_enable(struct clk *clk) { + if (!clk) + return; + mutex_lock(&clocks_mutex); clk_enable_unlocked(clk); mutex_unlock(&clocks_mutex); -- 2.30.2
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