constify ksys_mount() string arguments

Al Viro committed 7 years ago

Commit 33488841 parent fd3e0073 files · +5 −6Browse files

Unified · Split

3 files

drivers/base/devtmpfs.c +1 −2
fs/namespace.c +2 −2
include/linux/syscalls.h +2 −2

drivers/base/devtmpfs.c+1−2

@@ -357,8 +357,7 @@ int devtmpfs_mount(const char *mntdir) · 356 unmodified lines
357	357	if (!thread)
358	358	return 0;
359	359
360		− err = ksys_mount("devtmpfs", (char *)mntdir, "devtmpfs", MS_SILENT,
361		− NULL);
	360	+ err = ksys_mount("devtmpfs", mntdir, "devtmpfs", MS_SILENT, NULL);
362	361	if (err)
363	362	printk(KERN_INFO "devtmpfs: error mounting %i\n", err);
364	363	else

fs/namespace.c+2−2

@@ -3295,8 +3295,8 @@ struct dentry mount_subtree(struct vfsmount m, const char *name) · 3294 unmodified lines
3295	3295	}
3296	3296	EXPORT_SYMBOL(mount_subtree);
3297	3297
3298		−int ksys_mount(char __user dev_name, char __user dir_name, char __user *type,
3299		− unsigned long flags, void __user *data)
	3298	+int ksys_mount(const char __user dev_name, const char __user dir_name,
	3299	+ const char __user type, unsigned long flags, void __user data)
3300	3300	{
3301	3301	int ret;
3302	3302	char *kernel_type;

include/linux/syscalls.h+2−2

@@ -1228,8 +1228,8 @@ asmlinkage long sys_ni_syscall(void); · 1227 unmodified lines
1228	1228	* the ksys_xyzyyz() functions prototyped below.
1229	1229	*/
1230	1230
1231		−int ksys_mount(char __user dev_name, char __user dir_name, char __user *type,
1232		− unsigned long flags, void __user *data);
	1231	+int ksys_mount(const char __user dev_name, const char __user dir_name,
	1232	+ const char __user type, unsigned long flags, void __user data);
1233	1233	int ksys_umount(char __user *name, int flags);
1234	1234	int ksys_dup(unsigned int fildes);
1235	1235	int ksys_chroot(const char __user *filename);