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Commit f64ef295 authored by Matthew Wilcox's avatar Matthew Wilcox Committed by Matthew Wilcox
Browse files

[PA-RISC] Fix parisc_newuname() 



The utsname virtualisation broke parisc_newuname compilation.
Rewrite the implementation to call sys_newuname() like sparc64 does.

Signed-off-by: default avatarMatthew Wilcox <willy@parisc-linux.org>
parent ccd6c355

arch/parisc/kernel/sys_parisc.c

+10 −23
Original line number Diff line number Diff line
@@ -266,30 +266,17 @@ long parisc_personality(unsigned long personality) 
	return err;

}



static inline int override_machine(char __user *mach) {

#ifdef CONFIG_COMPAT

	if (personality(current->personality) == PER_LINUX32) {

		if (__put_user(0, mach + 6) ||

		    __put_user(0, mach + 7))

			return -EFAULT;

	}



	return 0;

#else /*!CONFIG_COMPAT*/

	return 0;

#endif /*CONFIG_COMPAT*/

}



long parisc_newuname(struct new_utsname __user *utsname)

long parisc_newuname(struct new_utsname __user *name)

{

	int err = 0;

	int err = sys_newuname(name);



	down_read(&uts_sem);

	if (copy_to_user(utsname, &system_utsname, sizeof(*utsname)))

#ifdef CONFIG_COMPAT

	if (!err && personality(current->personality) == PER_LINUX32) {

		if (__put_user(0, name->machine + 6) ||

		    __put_user(0, name->machine + 7))

			err = -EFAULT;

	up_read(&uts_sem);



	err = override_machine(utsname->machine);

	}

#endif



	return (long)err;

	return err;

}