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authorBrian Gerst <brgerst@gmail.com>2022-06-06 23:38:00 +0300
committerBorislav Petkov <bp@suse.de>2022-10-19 10:58:49 +0300
commitc461ae39373a1ae21952dbb6e2668a693d9f761d (patch)
tree875446337e5a372ac4104194095942272d9ce25b /arch/x86/kernel/signal.c
parent9c36e592b3f899c90b9d0d46ae29fcc065051b96 (diff)
downloadlinux-c461ae39373a1ae21952dbb6e2668a693d9f761d.tar.xz
x86/signal: Add ABI prefixes to frame setup functions
Add ABI prefixes to the frame setup functions that didn't already have them. To avoid compiler warnings and prepare for moving these functions to separate files, make them non-static. Signed-off-by: Brian Gerst <brgerst@gmail.com> Signed-off-by: Borislav Petkov <bp@suse.de> Acked-by: "Eric W. Biederman" <ebiederm@xmission.com> Link: https://lore.kernel.org/r/20220606203802.158958-7-brgerst@gmail.com Signed-off-by: Borislav Petkov <bp@suse.de>
Diffstat (limited to 'arch/x86/kernel/signal.c')
-rw-r--r--arch/x86/kernel/signal.c18
1 files changed, 7 insertions, 11 deletions
diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c
index 890ca0523570..0511e050d24a 100644
--- a/arch/x86/kernel/signal.c
+++ b/arch/x86/kernel/signal.c
@@ -336,8 +336,7 @@ static const struct {
0
};
-static int
-__setup_frame(struct ksignal *ksig, struct pt_regs *regs)
+int ia32_setup_frame(struct ksignal *ksig, struct pt_regs *regs)
{
sigset_t *set = sigmask_to_save();
struct sigframe __user *frame;
@@ -392,7 +391,7 @@ Efault:
return -EFAULT;
}
-static int __setup_rt_frame(struct ksignal *ksig, struct pt_regs *regs)
+int ia32_setup_rt_frame(struct ksignal *ksig, struct pt_regs *regs)
{
sigset_t *set = sigmask_to_save();
struct rt_sigframe __user *frame;
@@ -471,7 +470,7 @@ static unsigned long frame_uc_flags(struct pt_regs *regs)
return flags;
}
-static int __setup_rt_frame(struct ksignal *ksig, struct pt_regs *regs)
+int x64_setup_rt_frame(struct ksignal *ksig, struct pt_regs *regs)
{
sigset_t *set = sigmask_to_save();
struct rt_sigframe __user *frame;
@@ -571,11 +570,9 @@ int copy_siginfo_to_user32(struct compat_siginfo __user *to,
return x32_copy_siginfo_to_user(to, from);
return __copy_siginfo_to_user32(to, from);
}
-#endif /* CONFIG_X86_X32_ABI */
-static int x32_setup_rt_frame(struct ksignal *ksig, struct pt_regs *regs)
+int x32_setup_rt_frame(struct ksignal *ksig, struct pt_regs *regs)
{
-#ifdef CONFIG_X86_X32_ABI
compat_sigset_t *set = (compat_sigset_t *) sigmask_to_save();
struct rt_sigframe_x32 __user *frame;
unsigned long uc_flags;
@@ -622,15 +619,14 @@ static int x32_setup_rt_frame(struct ksignal *ksig, struct pt_regs *regs)
regs->cs = __USER_CS;
regs->ss = __USER_DS;
-#endif /* CONFIG_X86_X32_ABI */
return 0;
-#ifdef CONFIG_X86_X32_ABI
+
Efault:
user_access_end();
return -EFAULT;
-#endif
}
+#endif /* CONFIG_X86_X32_ABI */
/*
* Do a signal return; undo the signal stack.
@@ -770,7 +766,7 @@ setup_rt_frame(struct ksignal *ksig, struct pt_regs *regs)
} else if (is_x32_frame(ksig)) {
return x32_setup_rt_frame(ksig, regs);
} else {
- return __setup_rt_frame(ksig, regs);
+ return x64_setup_rt_frame(ksig, regs);
}
}