6 files changed, 18 insertions, 22 deletions

diff --git a/arch/mips/kernel/kspd.c b/arch/mips/kernel/kspd.c
index b0591ae0ce5..fd6e5122403 100644
--- a/arch/mips/kernel/kspd.c
+++ b/arch/mips/kernel/kspd.c
@@ -174,8 +174,8 @@ static unsigned int translate_open_flags(int flags)
 
 static void sp_setfsuidgid( uid_t uid, gid_t gid)
 {
-	current->fsuid = uid;
-	current->fsgid = gid;
+	current->cred->fsuid = uid;
+	current->cred->fsgid = gid;
 
 	key_fsuid_changed(current);
 	key_fsgid_changed(current);
diff --git a/arch/mips/kernel/mips-mt-fpaff.c b/arch/mips/kernel/mips-mt-fpaff.c
index dc9eb72ed9d..5e77a3a21f9 100644
--- a/arch/mips/kernel/mips-mt-fpaff.c
+++ b/arch/mips/kernel/mips-mt-fpaff.c
@@ -51,6 +51,7 @@ asmlinkage long mipsmt_sys_sched_setaffinity(pid_t pid, unsigned int len,
 	int retval;
 	struct task_struct *p;
 	struct thread_info *ti;
+	uid_t euid;
 
 	if (len < sizeof(new_mask))
 		return -EINVAL;
@@ -76,9 +77,9 @@ asmlinkage long mipsmt_sys_sched_setaffinity(pid_t pid, unsigned int len,
 	 */
 	get_task_struct(p);
 
+	euid = current_euid();
 	retval = -EPERM;
-	if ((current->euid != p->euid) && (current->euid != p->uid) &&
-			!capable(CAP_SYS_NICE)) {
+	if (euid != p->euid && euid != p->uid && !capable(CAP_SYS_NICE)) {
 		read_unlock(&tasklist_lock);
 		goto out_unlock;
 	}
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index 759f68066b5..d0916a55cd7 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -262,14 +262,11 @@ bad_alignment:
 	LEAF(sys_syscall)
 	subu	t0, a0, __NR_O32_Linux	# check syscall number
 	sltiu	v0, t0, __NR_O32_Linux_syscalls + 1
+	beqz	t0, einval		# do not recurse
 	sll	t1, t0, 3
 	beqz	v0, einval
-
 	lw	t2, sys_call_table(t1)		# syscall routine
 
-	li	v1, 4000 - __NR_O32_Linux	# index of sys_syscall
-	beq	t0, v1, einval			# do not recurse
-
 	/* Some syscalls like execve get their arguments from struct pt_regs
 	   and claim zero arguments in the syscall table. Thus we have to
 	   assume the worst case and shuffle around all potential arguments.
@@ -627,7 +624,7 @@ einval:	li	v0, -ENOSYS
 	sys	sys_pselect6		6
 	sys	sys_ppoll		5
 	sys	sys_unshare		1
-	sys	sys_splice		4
+	sys	sys_splice		6
 	sys	sys_sync_file_range	7	/* 4305 */
 	sys	sys_tee			4
 	sys	sys_vmsplice		4
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index e266b3aa656..30f3b6317a8 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -390,7 +390,7 @@ EXPORT(sysn32_call_table)
 	PTR	sys_splice
 	PTR	sys_sync_file_range
 	PTR	sys_tee
-	PTR	sys_vmsplice			/* 6270 */
+	PTR	compat_sys_vmsplice		/* 6270 */
 	PTR	sys_move_pages
 	PTR	compat_sys_set_robust_list
 	PTR	compat_sys_get_robust_list
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index 6c7ef8313eb..fefef4af859 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -174,14 +174,12 @@ not_o32_scall:
 	END(handle_sys)
 
 LEAF(sys32_syscall)
-	sltu	v0, a0, __NR_O32_Linux + __NR_O32_Linux_syscalls + 1
+	subu	t0, a0, __NR_O32_Linux	# check syscall number
+	sltiu	v0, t0, __NR_O32_Linux_syscalls + 1
+	beqz	t0, einval		# do not recurse
+	dsll	t1, t0, 3
 	beqz	v0, einval
-
-	dsll	v0, a0, 3
-	ld	t2, (sys_call_table - (__NR_O32_Linux * 8))(v0)
-
-	li	v1, 4000		# indirect syscall number
-	beq	a0, v1, einval		# do not recurse
+	ld	t2, sys_call_table(t1)		# syscall routine
 
 	move	a0, a1			# shift argument registers
 	move	a1, a2
@@ -198,7 +196,7 @@ LEAF(sys32_syscall)
 	jr	t2
 	/* Unreached */
 
-einval:	li	v0, -EINVAL
+einval:	li	v0, -ENOSYS
 	jr	ra
 	END(sys32_syscall)
 
@@ -512,7 +510,7 @@ sys_call_table:
 	PTR	sys_splice
 	PTR	sys32_sync_file_range		/* 4305 */
 	PTR	sys_tee
-	PTR	sys_vmsplice
+	PTR	compat_sys_vmsplice
 	PTR	compat_sys_move_pages
 	PTR	compat_sys_set_robust_list
 	PTR	compat_sys_get_robust_list	/* 4310 */
diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c
index 972b2d2b840..010b27e01f7 100644
--- a/arch/mips/kernel/vpe.c
+++ b/arch/mips/kernel/vpe.c
@@ -1085,8 +1085,8 @@ static int vpe_open(struct inode *inode, struct file *filp)
 	v->load_addr = NULL;
 	v->len = 0;
 
-	v->uid = filp->f_uid;
-	v->gid = filp->f_gid;
+	v->uid = filp->f_cred->fsuid;
+	v->gid = filp->f_cred->fsgid;
 
 #ifdef CONFIG_MIPS_APSP_KSPD
 	/* get kspd to tell us when a syscall_exit happens */
@@ -1134,7 +1134,7 @@ static int vpe_release(struct inode *inode, struct file *filp)
 
 	/* It's good to be able to run the SP and if it chokes have a look at
 	   the /dev/rt?. But if we reset the pointer to the shared struct we
-	   loose what has happened. So perhaps if garbage is sent to the vpe
+	   lose what has happened. So perhaps if garbage is sent to the vpe
 	   device, use it as a trigger for the reset. Hopefully a nice
 	   executable will be along shortly. */
 	if (ret < 0)