>Commit b8ff756bc351 ("staging: lustre: libcfs: merge code from
>libcfs_ioctl into libcfs_ioctl_getdata") introduced a problem
>copying just a single pointer worth of data from userspace
>instead of whole libcfs_ioctl_hdr structure.
>Adjust the copying amount.
>
>Signed-off-by: Oleg Drokin <green@xxxxxxxxxxxxxx>
Acked- by: James Simmons <jsimmons@xxxxxxxxxxxxx>
>---
> drivers/staging/lustre/lnet/libcfs/linux/linux-module.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
>diff --git a/drivers/staging/lustre/lnet/libcfs/linux/linux-module.c b/drivers/staging/lustre/lnet/libcfs/linux/linux-module.c
>index b86e937..d89f71e 100644
>--- a/drivers/staging/lustre/lnet/libcfs/linux/linux-module.c
>+++ b/drivers/staging/lustre/lnet/libcfs/linux/linux-module.c
>@@ -128,7 +128,7 @@ int libcfs_ioctl_getdata(struct libcfs_ioctl_hdr **hdr_pp,
> struct libcfs_ioctl_hdr hdr;
> int err = 0;
>
>- if (copy_from_user(&hdr, uhdr, sizeof(uhdr)))
>+ if (copy_from_user(&hdr, uhdr, sizeof(hdr)))
> return -EFAULT;
>
> if (hdr.ioc_version != LIBCFS_IOCTL_VERSION &&
>--
>2.1.0
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