constify copy_siginfo_to_user{,32}()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/arch/arm64/kernel/signal32.c b/arch/arm64/kernel/signal32.c
index e393174..07da8c0 100644
--- a/arch/arm64/kernel/signal32.c
+++ b/arch/arm64/kernel/signal32.c
@@ -150,7 +150,7 @@
return 0;
}
-int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from)
+int copy_siginfo_to_user32(compat_siginfo_t __user *to, const siginfo_t *from)
{
int err;
diff --git a/arch/ia64/kernel/signal.c b/arch/ia64/kernel/signal.c
index 3637e03..33cab9a 100644
--- a/arch/ia64/kernel/signal.c
+++ b/arch/ia64/kernel/signal.c
@@ -105,7 +105,7 @@
}
int
-copy_siginfo_to_user (siginfo_t __user *to, siginfo_t *from)
+copy_siginfo_to_user (siginfo_t __user *to, const siginfo_t *from)
{
if (!access_ok(VERIFY_WRITE, to, sizeof(siginfo_t)))
return -EFAULT;
diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c
index 57de8b7..1905a41 100644
--- a/arch/mips/kernel/signal32.c
+++ b/arch/mips/kernel/signal32.c
@@ -314,7 +314,7 @@
return ret;
}
-int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from)
+int copy_siginfo_to_user32(compat_siginfo_t __user *to, const siginfo_t *from)
{
int err;
diff --git a/arch/parisc/kernel/signal32.c b/arch/parisc/kernel/signal32.c
index 6c6a271..984abbe 100644
--- a/arch/parisc/kernel/signal32.c
+++ b/arch/parisc/kernel/signal32.c
@@ -319,7 +319,7 @@
}
int
-copy_siginfo_to_user32 (compat_siginfo_t __user *to, siginfo_t *from)
+copy_siginfo_to_user32 (compat_siginfo_t __user *to, const siginfo_t *from)
{
compat_uptr_t addr;
compat_int_t val;
diff --git a/arch/parisc/kernel/signal32.h b/arch/parisc/kernel/signal32.h
index 72ab41a..af51d4c 100644
--- a/arch/parisc/kernel/signal32.h
+++ b/arch/parisc/kernel/signal32.h
@@ -34,7 +34,7 @@
/* ELF32 signal handling */
-int copy_siginfo_to_user32 (compat_siginfo_t __user *to, siginfo_t *from);
+int copy_siginfo_to_user32 (compat_siginfo_t __user *to, const siginfo_t *from);
int copy_siginfo_from_user32 (siginfo_t *to, compat_siginfo_t __user *from);
/* In a deft move of uber-hackery, we decide to carry the top half of all
diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
index bebdf1a..149cd58 100644
--- a/arch/powerpc/kernel/signal_32.c
+++ b/arch/powerpc/kernel/signal_32.c
@@ -891,7 +891,7 @@
#endif
#ifdef CONFIG_PPC64
-int copy_siginfo_to_user32(struct compat_siginfo __user *d, siginfo_t *s)
+int copy_siginfo_to_user32(struct compat_siginfo __user *d, const siginfo_t *s)
{
int err;
diff --git a/arch/s390/kernel/compat_signal.c b/arch/s390/kernel/compat_signal.c
index 1389b63..44b2526 100644
--- a/arch/s390/kernel/compat_signal.c
+++ b/arch/s390/kernel/compat_signal.c
@@ -49,7 +49,7 @@
__u32 gprs_high[NUM_GPRS];
} rt_sigframe32;
-int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from)
+int copy_siginfo_to_user32(compat_siginfo_t __user *to, const siginfo_t *from)
{
int err;
diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c
index b524f91d..ee789d2 100644
--- a/arch/sparc/kernel/signal32.c
+++ b/arch/sparc/kernel/signal32.c
@@ -68,7 +68,7 @@
/* __siginfo_rwin_t * */u32 rwin_save;
} __attribute__((aligned(8)));
-int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from)
+int copy_siginfo_to_user32(compat_siginfo_t __user *to, const siginfo_t *from)
{
int err;
diff --git a/arch/tile/kernel/compat_signal.c b/arch/tile/kernel/compat_signal.c
index 85e00b2..19c04b5 100644
--- a/arch/tile/kernel/compat_signal.c
+++ b/arch/tile/kernel/compat_signal.c
@@ -49,7 +49,7 @@
struct compat_ucontext uc;
};
-int copy_siginfo_to_user32(struct compat_siginfo __user *to, siginfo_t *from)
+int copy_siginfo_to_user32(struct compat_siginfo __user *to, const siginfo_t *from)
{
int err;
diff --git a/arch/x86/ia32/ia32_signal.c b/arch/x86/ia32/ia32_signal.c
index 665a730..2206757 100644
--- a/arch/x86/ia32/ia32_signal.c
+++ b/arch/x86/ia32/ia32_signal.c
@@ -34,7 +34,7 @@
#include <asm/sys_ia32.h>
#include <asm/smap.h>
-int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from)
+int copy_siginfo_to_user32(compat_siginfo_t __user *to, const siginfo_t *from)
{
int err = 0;
bool ia32 = test_thread_flag(TIF_IA32);
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 8641549..a6f8cb4 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -1374,7 +1374,7 @@
}
static void fill_siginfo_note(struct memelfnote *note, user_siginfo_t *csigdata,
- siginfo_t *siginfo)
+ const siginfo_t *siginfo)
{
mm_segment_t old_fs = get_fs();
set_fs(KERNEL_DS);
diff --git a/include/asm-generic/siginfo.h b/include/asm-generic/siginfo.h
index b685d3b..3d1a3af 100644
--- a/include/asm-generic/siginfo.h
+++ b/include/asm-generic/siginfo.h
@@ -32,6 +32,6 @@
#endif
-extern int copy_siginfo_to_user(struct siginfo __user *to, struct siginfo *from);
+extern int copy_siginfo_to_user(struct siginfo __user *to, const struct siginfo *from);
#endif
diff --git a/include/linux/compat.h b/include/linux/compat.h
index 345da00..78cdf51 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -362,7 +362,7 @@
long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask,
unsigned long bitmap_size);
int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from);
-int copy_siginfo_to_user32(struct compat_siginfo __user *to, siginfo_t *from);
+int copy_siginfo_to_user32(struct compat_siginfo __user *to, const siginfo_t *from);
int get_compat_sigevent(struct sigevent *event,
const struct compat_sigevent __user *u_event);
long compat_sys_rt_tgsigqueueinfo(compat_pid_t tgid, compat_pid_t pid, int sig,
diff --git a/kernel/signal.c b/kernel/signal.c
index ded28b9..940b30e 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -2723,7 +2723,7 @@
#ifndef HAVE_ARCH_COPY_SIGINFO_TO_USER
-int copy_siginfo_to_user(siginfo_t __user *to, siginfo_t *from)
+int copy_siginfo_to_user(siginfo_t __user *to, const siginfo_t *from)
{
int err;