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authorOleksij Rempel <[email protected]>2021-04-29 13:08:32 +0200
committerDavid S. Miller <[email protected]>2021-04-29 15:54:35 -0700
commitba46b576a7954fa54ff4c1ef976624794b6668f6 (patch)
tree4e16aa73127f594967c7dee39a5782bb139afc3f
parentd27f0201b93cb1016c232c46e0b8e1bf4c02a7ea (diff)
net: dsa: ksz: ksz8795_spi_probe: fix possible NULL pointer dereference
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 <[email protected]> Signed-off-by: Oleksij Rempel <[email protected]> Reviewed-by: Andrew Lunn <[email protected]> Signed-off-by: David S. Miller <[email protected]>
-rw-r--r--drivers/net/dsa/microchip/ksz8795_spi.c3
1 files changed, 3 insertions, 0 deletions
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);