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net: ti: icssg-prueth: Fix signedness bug in prueth_init_tx_chns()

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The "tx_chn->irq" variable is unsigned so the error checking does not
work correctly.

Fixes: 128d5874c0 ("net: ti: icssg-prueth: Add ICSSG ethernet driver")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dan Carpenter 2023-09-26 17:05:59 +03:00 committed by David S. Miller
parent 37d4f55567
commit a325f174d7
1 changed files with 5 additions and 3 deletions
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8
drivers/net/ethernet/ti/icssg/icssg_prueth.c
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@ -316,12 +316,14 @@ static int prueth_init_tx_chns(struct prueth_emac *emac)
goto fail;
}
tx_chn->irq = k3_udma_glue_tx_get_irq(tx_chn->tx_chn);
if (tx_chn->irq <= 0) {
ret = -EINVAL;
ret = k3_udma_glue_tx_get_irq(tx_chn->tx_chn);
if (ret <= 0) {
if (!ret)
ret = -EINVAL;
netdev_err(ndev, "failed to get tx irq\n");
goto fail;
}
tx_chn->irq = ret;
snprintf(tx_chn->name, sizeof(tx_chn->name), "%s-tx%d",
dev_name(dev), tx_chn->id);