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Subject[PATCH net-next v1 2/3] net: dsa: ksz: ksz8795_spi_probe: fix possible NULL pointer dereference
Date
Fix possible NULL pointer dereference in case devm_kzalloc() failed to
allocate memory

Fixes: cc13e52c3a89 ("net: dsa: microchip: Add Microchip KSZ8863 SPI based driver support")
Reported-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
---
drivers/net/dsa/microchip/ksz8795_spi.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/net/dsa/microchip/ksz8795_spi.c b/drivers/net/dsa/microchip/ksz8795_spi.c
index 85ba12aa82d8..ea7550d1b634 100644
--- a/drivers/net/dsa/microchip/ksz8795_spi.c
+++ b/drivers/net/dsa/microchip/ksz8795_spi.c
@@ -41,6 +41,9 @@ static int ksz8795_spi_probe(struct spi_device *spi)
int i, ret = 0;

ksz8 = devm_kzalloc(&spi->dev, sizeof(struct ksz8), GFP_KERNEL);
+ if (!ksz8)
+ return -ENOMEM;
+
ksz8->priv = spi;

dev = ksz_switch_alloc(&spi->dev, ksz8);
--
2.29.2
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