diff options
| -rw-r--r-- | drivers/spi/spidev.c | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c index 3b570018705c..d4d2d8d9f3e7 100644 --- a/drivers/spi/spidev.c +++ b/drivers/spi/spidev.c @@ -324,7 +324,6 @@ static struct spi_ioc_transfer * spidev_get_ioc_message(unsigned int cmd, struct spi_ioc_transfer __user *u_ioc, unsigned *n_ioc) { - struct spi_ioc_transfer *ioc; u32 tmp; /* Check type, command number and direction */ @@ -341,14 +340,7 @@ spidev_get_ioc_message(unsigned int cmd, struct spi_ioc_transfer __user *u_ioc, return NULL; /* copy into scratch area */ - ioc = kmalloc(tmp, GFP_KERNEL); - if (!ioc) - return ERR_PTR(-ENOMEM); - if (__copy_from_user(ioc, u_ioc, tmp)) { - kfree(ioc); - return ERR_PTR(-EFAULT); - } - return ioc; + return memdup_user(u_ioc, tmp); } static long |
