From f2938c04b8f9b0223767ade931eeb63f3d7e0e68 Mon Sep 17 00:00:00 2001 From: Oleg Drokin Date: Sun, 3 Jan 2016 12:05:44 -0500 Subject: [PATCH] staging/lustre: Properly mark argument to p_ioctl in cfs_psdev_ops as __user This also silents a sparse address space warning Signed-off-by: Oleg Drokin Signed-off-by: Greg Kroah-Hartman --- drivers/staging/lustre/include/linux/libcfs/libcfs.h | 2 +- drivers/staging/lustre/lustre/libcfs/linux/linux-module.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs.h b/drivers/staging/lustre/include/linux/libcfs/libcfs.h index 094eb0f..dc9b88f 100644 --- a/drivers/staging/lustre/include/linux/libcfs/libcfs.h +++ b/drivers/staging/lustre/include/linux/libcfs/libcfs.h @@ -77,7 +77,7 @@ struct cfs_psdev_ops { int (*p_close)(unsigned long, void *); int (*p_read)(struct cfs_psdev_file *, char *, unsigned long); int (*p_write)(struct cfs_psdev_file *, char *, unsigned long); - int (*p_ioctl)(struct cfs_psdev_file *, unsigned long, void *); + int (*p_ioctl)(struct cfs_psdev_file *, unsigned long, void __user *); }; /* diff --git a/drivers/staging/lustre/lustre/libcfs/linux/linux-module.c b/drivers/staging/lustre/lustre/libcfs/linux/linux-module.c index c089b04..e5bc3d3 100644 --- a/drivers/staging/lustre/lustre/libcfs/linux/linux-module.c +++ b/drivers/staging/lustre/lustre/libcfs/linux/linux-module.c @@ -151,7 +151,7 @@ static long libcfs_ioctl(struct file *file, } if (libcfs_psdev_ops.p_ioctl != NULL) - rc = libcfs_psdev_ops.p_ioctl(&pfile, cmd, (void *)arg); + rc = libcfs_psdev_ops.p_ioctl(&pfile, cmd, (void __user *)arg); else rc = -EPERM; return rc; -- 2.7.4