Messages in this thread Patch in this message | | | From | Oleksij Rempel <> | Subject | [PATCH net-next v1 2/3] net: dsa: ksz: ksz8795_spi_probe: fix possible NULL pointer dereference | Date | Thu, 29 Apr 2021 13:08:32 +0200 |
| |
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
| |