On 02/22/2018 10:08 AM, Colin King wrote:
From: Colin Ian King <colin.k...@canonical.com>The allocation of host_data is not null checked, leading to a null pointer dereference if the allocation fails. Fix this by adding a null check and return with -ENOMEM. Fixes: 64b139f97c01 ("MIPS: OCTEON: irq: add CIB and other fixes") Signed-off-by: Colin Ian King <colin.k...@canonical.com>
Acked-by: David Daney <david.da...@cavium.com>
--- arch/mips/cavium-octeon/octeon-irq.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/mips/cavium-octeon/octeon-irq.c b/arch/mips/cavium-octeon/octeon-irq.c index b993d9f2c9b9..203e1d2a56d5 100644 --- a/arch/mips/cavium-octeon/octeon-irq.c +++ b/arch/mips/cavium-octeon/octeon-irq.c @@ -2277,6 +2277,8 @@ static int __init octeon_irq_init_cib(struct device_node *ciu_node, }host_data = kzalloc(sizeof(*host_data), GFP_KERNEL);+ if (!host_data) + return -ENOMEM; raw_spin_lock_init(&host_data->lock);addr = of_get_address(ciu_node, 0, NULL, NULL);
