[PATCH 1/1] lib: sbi_irqchip: error handling in sbi_irqchip_raw_handler_default()

[Heinrich Schuchardt]

sbi_irqchip_find_handler() may return NULL.
Check the return value before dereferencing.

Addresses-Coverity-ID: 1677408 Dereference null return value
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>
---
 lib/sbi/sbi_irqchip.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/sbi/sbi_irqchip.c b/lib/sbi/sbi_irqchip.c
index b490a3ad..1664bd2d 100644
--- a/lib/sbi/sbi_irqchip.c
+++ b/lib/sbi/sbi_irqchip.c
@@ -185,6 +185,9 @@ int sbi_irqchip_raw_handler_default(struct sbi_irqchip_device *chip, u32 hwirq)
 		return SBI_EINVAL;
 
 	h = sbi_irqchip_find_handler(chip, hwirq);
+	if (!h)
+		return SBI_EINVAL;
+
 	if (h->callback)
 		rc = h->callback(hwirq, h->priv);
 
-- 
2.53.0