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Commit 3215ed43 authored by Sami Tolvanen's avatar Sami Tolvanen Committed by Alistair Strachan
Browse files

ANDROID: x86: use the correct function type for sys_ni_syscall 



Bug: 133186739
Change-Id: I0d43dc716fad3b987e7e29357dbf84e26c753367
Signed-off-by: default avatarSami Tolvanen <samitolvanen@google.com>
parent f78329ce

arch/x86/entry/syscall_32.c

+3 −5
Original line number Original line Diff line number Diff line
@@ -10,13 +10,11 @@ 
#ifdef CONFIG_IA32_EMULATION

#ifdef CONFIG_IA32_EMULATION

/* On X86_64, we use struct pt_regs * to pass parameters to syscalls */

/* On X86_64, we use struct pt_regs * to pass parameters to syscalls */

#define __SYSCALL_I386(nr, sym, qual) extern asmlinkage long sym(const struct pt_regs *);

#define __SYSCALL_I386(nr, sym, qual) extern asmlinkage long sym(const struct pt_regs *);



#define __sys_ni_syscall __ia32_sys_ni_syscall

/* this is a lie, but it does not hurt as sys_ni_syscall just returns -EINVAL */

extern asmlinkage long sys_ni_syscall(const struct pt_regs *);



#else /* CONFIG_IA32_EMULATION */

#else /* CONFIG_IA32_EMULATION */

#define __SYSCALL_I386(nr, sym, qual) extern asmlinkage long sym(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long);

#define __SYSCALL_I386(nr, sym, qual) extern asmlinkage long sym(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long);

extern asmlinkage long sys_ni_syscall(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long);

extern asmlinkage long sys_ni_syscall(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long);

#define __sys_ni_syscall sys_ni_syscall

#endif /* CONFIG_IA32_EMULATION */

#endif /* CONFIG_IA32_EMULATION */





#include <asm/syscalls_32.h>

#include <asm/syscalls_32.h>
@@ -29,6 +27,6 @@ __visible const sys_call_ptr_t ia32_sys_call_table[__NR_syscall_compat_max+1] = 
	 * Smells like a compiler bug -- it doesn't work

	 * Smells like a compiler bug -- it doesn't work

	 * when the & below is removed.

	 * when the & below is removed.

	 */

	 */

	[0 ... __NR_syscall_compat_max] = &sys_ni_syscall,

	[0 ... __NR_syscall_compat_max] = &__sys_ni_syscall,

#include <asm/syscalls_32.h>

#include <asm/syscalls_32.h>

};
 
};

arch/x86/entry/syscall_64.c

+9 −3
Original line number Original line Diff line number Diff line
@@ -4,11 +4,17 @@ 
#include <linux/linkage.h>

#include <linux/linkage.h>

#include <linux/sys.h>

#include <linux/sys.h>

#include <linux/cache.h>

#include <linux/cache.h>

#include <linux/syscalls.h>

#include <asm/asm-offsets.h>

#include <asm/asm-offsets.h>

#include <asm/syscall.h>

#include <asm/syscall.h>





/* this is a lie, but it does not hurt as sys_ni_syscall just returns -EINVAL */

extern asmlinkage long sys_ni_syscall(void);

extern asmlinkage long sys_ni_syscall(const struct pt_regs *);



SYSCALL_DEFINE0(ni_syscall)

{

	return sys_ni_syscall();

}



#define __SYSCALL_64(nr, sym, qual) extern asmlinkage long sym(const struct pt_regs *);

#define __SYSCALL_64(nr, sym, qual) extern asmlinkage long sym(const struct pt_regs *);

#include <asm/syscalls_64.h>

#include <asm/syscalls_64.h>

#undef __SYSCALL_64

#undef __SYSCALL_64
@@ -20,6 +26,6 @@ asmlinkage const sys_call_ptr_t sys_call_table[__NR_syscall_max+1] = { 
	 * Smells like a compiler bug -- it doesn't work

	 * Smells like a compiler bug -- it doesn't work

	 * when the & below is removed.

	 * when the & below is removed.

	 */

	 */

	[0 ... __NR_syscall_max] = &sys_ni_syscall,

	[0 ... __NR_syscall_max] = &__x64_sys_ni_syscall,

#include <asm/syscalls_64.h>

#include <asm/syscalls_64.h>

};
 
};

arch/x86/entry/syscalls/syscall_32.tbl

+2 −2
Original line number Original line Diff line number Diff line
@@ -124,7 +124,7 @@ 
110	i386	iopl			sys_iopl			__ia32_sys_iopl

110	i386	iopl			sys_iopl			__ia32_sys_iopl

111	i386	vhangup			sys_vhangup			__ia32_sys_vhangup

111	i386	vhangup			sys_vhangup			__ia32_sys_vhangup

112	i386	idle

112	i386	idle

113	i386	vm86old			sys_vm86old			sys_ni_syscall

113	i386	vm86old			sys_vm86old			__ia32_sys_ni_syscall

114	i386	wait4			sys_wait4			__ia32_compat_sys_wait4

114	i386	wait4			sys_wait4			__ia32_compat_sys_wait4

115	i386	swapoff			sys_swapoff			__ia32_sys_swapoff

115	i386	swapoff			sys_swapoff			__ia32_sys_swapoff

116	i386	sysinfo			sys_sysinfo			__ia32_compat_sys_sysinfo

116	i386	sysinfo			sys_sysinfo			__ia32_compat_sys_sysinfo
@@ -177,7 +177,7 @@ 
163	i386	mremap			sys_mremap			__ia32_sys_mremap

163	i386	mremap			sys_mremap			__ia32_sys_mremap

164	i386	setresuid		sys_setresuid16			__ia32_sys_setresuid16

164	i386	setresuid		sys_setresuid16			__ia32_sys_setresuid16

165	i386	getresuid		sys_getresuid16			__ia32_sys_getresuid16

165	i386	getresuid		sys_getresuid16			__ia32_sys_getresuid16

166	i386	vm86			sys_vm86			sys_ni_syscall

166	i386	vm86			sys_vm86			__ia32_sys_ni_syscall

167	i386	query_module

167	i386	query_module

168	i386	poll			sys_poll			__ia32_sys_poll

168	i386	poll			sys_poll			__ia32_sys_poll

169	i386	nfsservctl

169	i386	nfsservctl