MIPS: OCTEON: irq: Fix potential NULL pointer dereference
commit792a402c28
upstream. There is a potential NULL pointer dereference in case kzalloc() fails and returns NULL. Fix this by adding a NULL check on *cd* This bug was detected with the help of Coccinelle. Fixes:64b139f97c
("MIPS: OCTEON: irq: add CIB and other fixes") Cc: stable@vger.kernel.org Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -2199,6 +2199,9 @@ static int octeon_irq_cib_map(struct irq_domain *d,
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}
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cd = kzalloc(sizeof(*cd), GFP_KERNEL);
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cd = kzalloc(sizeof(*cd), GFP_KERNEL);
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if (!cd)
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return -ENOMEM;
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cd->host_data = host_data;
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cd->host_data = host_data;
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cd->bit = hw;
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cd->bit = hw;
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