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Subject[PATCH 03/15] frv: signal annotations
Date
From: Al Viro <viro@zeniv.linux.org.uk>

Add annotations to the FRV signal handling for sparse.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-Off-By: David Howells <dhowells@redhat.com>
---

arch/frv/kernel/signal.c | 20 ++++++++++----------
include/asm-frv/signal.h | 6 +++---
2 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/arch/frv/kernel/signal.c b/arch/frv/kernel/signal.c
index 679c1d5..dd5e6fd 100644
--- a/arch/frv/kernel/signal.c
+++ b/arch/frv/kernel/signal.c
@@ -98,7 +98,7 @@ int sys_sigaltstack(const stack_t __user

struct sigframe
{
- void (*pretcode)(void);
+ __sigrestore_t pretcode;
int sig;
struct sigcontext sc;
unsigned long extramask[_NSIG_WORDS-1];
@@ -107,10 +107,10 @@ struct sigframe

struct rt_sigframe
{
- void (*pretcode)(void);
+ __sigrestore_t pretcode;
int sig;
- struct siginfo *pinfo;
- void *puc;
+ struct siginfo __user *pinfo;
+ void __user *puc;
struct siginfo info;
struct ucontext uc;
uint32_t retcode[2];
@@ -284,7 +284,7 @@ static int setup_frame(int sig, struct k
* setlos #__NR_sigreturn,gr7
* tira gr0,0
*/
- if (__put_user((void (*)(void))frame->retcode, &frame->pretcode) ||
+ if (__put_user((__sigrestore_t)frame->retcode, &frame->pretcode) ||
__put_user(0x8efc0000|__NR_sigreturn, &frame->retcode[0]) ||
__put_user(0xc0700000, &frame->retcode[1]))
goto give_sigsegv;
@@ -300,7 +300,7 @@ static int setup_frame(int sig, struct k

if (get_personality & FDPIC_FUNCPTRS) {
struct fdpic_func_descriptor __user *funcptr =
- (struct fdpic_func_descriptor *) ka->sa.sa_handler;
+ (struct fdpic_func_descriptor __user *) ka->sa.sa_handler;
__get_user(__frame->pc, &funcptr->text);
__get_user(__frame->gr15, &funcptr->GOT);
} else {
@@ -359,8 +359,8 @@ static int setup_rt_frame(int sig, struc

/* Create the ucontext. */
if (__put_user(0, &frame->uc.uc_flags) ||
- __put_user(0, &frame->uc.uc_link) ||
- __put_user((void*)current->sas_ss_sp, &frame->uc.uc_stack.ss_sp) ||
+ __put_user(NULL, &frame->uc.uc_link) ||
+ __put_user((void __user *)current->sas_ss_sp, &frame->uc.uc_stack.ss_sp) ||
__put_user(sas_ss_flags(__frame->sp), &frame->uc.uc_stack.ss_flags) ||
__put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size))
goto give_sigsegv;
@@ -382,7 +382,7 @@ static int setup_rt_frame(int sig, struc
* setlos #__NR_sigreturn,gr7
* tira gr0,0
*/
- if (__put_user((void (*)(void))frame->retcode, &frame->pretcode) ||
+ if (__put_user((__sigrestore_t)frame->retcode, &frame->pretcode) ||
__put_user(0x8efc0000|__NR_rt_sigreturn, &frame->retcode[0]) ||
__put_user(0xc0700000, &frame->retcode[1]))
goto give_sigsegv;
@@ -398,7 +398,7 @@ static int setup_rt_frame(int sig, struc
__frame->gr9 = (unsigned long) &frame->info;

if (get_personality & FDPIC_FUNCPTRS) {
- struct fdpic_func_descriptor *funcptr =
+ struct fdpic_func_descriptor __user *funcptr =
(struct fdpic_func_descriptor __user *) ka->sa.sa_handler;
__get_user(__frame->pc, &funcptr->text);
__get_user(__frame->gr15, &funcptr->GOT);
diff --git a/include/asm-frv/signal.h b/include/asm-frv/signal.h
index 6736689..dcc1b35 100644
--- a/include/asm-frv/signal.h
+++ b/include/asm-frv/signal.h
@@ -114,13 +114,13 @@ struct old_sigaction {
__sighandler_t sa_handler;
old_sigset_t sa_mask;
unsigned long sa_flags;
- void (*sa_restorer)(void);
+ __sigrestore_t sa_restorer;
};

struct sigaction {
__sighandler_t sa_handler;
unsigned long sa_flags;
- void (*sa_restorer)(void);
+ __sigrestore_t sa_restorer;
sigset_t sa_mask; /* mask last for extensibility */
};

@@ -146,7 +146,7 @@ #define sa_sigaction _u._sa_sigaction
#endif /* __KERNEL__ */

typedef struct sigaltstack {
- void *ss_sp;
+ void __user *ss_sp;
int ss_flags;
size_t ss_size;
} stack_t;
-
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