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	if (!thread)	357	if (!thread)
358	return 0;	358	return 0;
359		359
360	err = ksys_mount("devtmpfs", (char *)mntdir, "devtmpfs", MS_SILENT,	360	err = ksys_mount("devtmpfs", mntdir, "devtmpfs", MS_SILENT, NULL);
361	NULL);
362	if (err)	361	if (err)
363	printk(KERN_INFO "devtmpfs: error mounting %i\n", err);	362	printk(KERN_INFO "devtmpfs: error mounting %i\n", err);
364	else	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	EXPORT_SYMBOL(mount_subtree);	3296	EXPORT_SYMBOL(mount_subtree);
3297		3297
3298	int ksys_mount(char __user dev_name, char __user dir_name, char __user *type,	3298	int ksys_mount(const char __user dev_name, const char __user dir_name,
3299	unsigned long flags, void __user *data)	3299	const char __user type, unsigned long flags, void __user data)
3300	{	3300	{
3301	int ret;	3301	int ret;
3302	char *kernel_type;	3302	char *kernel_type;

include/linux/syscalls.h+2−2

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