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drivers/net/can: Correct NULL test

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Test the just-allocated value for NULL rather than some other value.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression x,y;
statement S;
@@

x = \(kmalloc\|kcalloc\|kzalloc\)(...);
(
if ((x) == NULL) S
|
if (
-   y
+   x
       == NULL)
 S
)
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-by: Oliver Hartkopp <oliver@hartkopp.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Julia Lawall 2009-12-27 11:27:44 +00:00 • committed by David S. Miller
parent 073bd90f03
commit ce739b473c
1 changed files with 1 additions and 1 deletions
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2
drivers/net/can/mcp251x.c
View file

@ -990,7 +990,7 @@ static int __devinit mcp251x_can_probe(struct spi_device *spi)
goto error_tx_buf; goto error_tx_buf;
} }
priv->spi_rx_buf = kmalloc(SPI_TRANSFER_BUF_LEN, GFP_KERNEL); priv->spi_rx_buf = kmalloc(SPI_TRANSFER_BUF_LEN, GFP_KERNEL);
if (!priv->spi_tx_buf) { if (!priv->spi_rx_buf) {
ret = -ENOMEM; ret = -ENOMEM;
goto error_rx_buf; goto error_rx_buf;
} }