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mips: Use sigsp()

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Use sigsp() instead of the open coded variant.

Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Richard Weinberger 2014-03-05 15:35:41 +01:00 committed by Richard Weinberger
parent c001cd21c9
commit 7c4f563507
3 changed files with 7 additions and 9 deletions
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10
arch/mips/kernel/signal.c
View File

@ -280,7 +280,7 @@ int restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc)
return err;
}
void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
void __user *get_sigframe(struct ksignal *ksig, struct pt_regs *regs,
size_t frame_size)
{
unsigned long sp;
@ -295,9 +295,7 @@ void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
*/
sp -= 32;
/* This is the X/Open sanctioned signal stack switching. */
if ((ka->sa.sa_flags & SA_ONSTACK) && (sas_ss_flags (sp) == 0))
sp = current->sas_ss_sp + current->sas_ss_size;
sp = sigsp(sp, ksig);
return (void __user *)((sp - frame_size) & (ICACHE_REFILLS_WORKAROUND_WAR ? ~(cpu_icache_line_size()-1) : ALMASK));
}
@ -434,7 +432,7 @@ static int setup_frame(void *sig_return, struct ksignal *ksig,
struct sigframe __user *frame;
int err = 0;
frame = get_sigframe(&ksig->ka, regs, sizeof(*frame));
frame = get_sigframe(ksig, regs, sizeof(*frame));
if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame)))
return -EFAULT;
@ -473,7 +471,7 @@ static int setup_rt_frame(void *sig_return, struct ksignal *ksig,
struct rt_sigframe __user *frame;
int err = 0;
frame = get_sigframe(&ksig->ka, regs, sizeof(*frame));
frame = get_sigframe(ksig, regs, sizeof(*frame));
if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame)))
return -EFAULT;

4
arch/mips/kernel/signal32.c
View File

@ -496,7 +496,7 @@ static int setup_frame_32(void *sig_return, struct ksignal *ksig,
struct sigframe32 __user *frame;
int err = 0;
frame = get_sigframe(&ksig->ka, regs, sizeof(*frame));
frame = get_sigframe(ksig, regs, sizeof(*frame));
if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame)))
return -EFAULT;
@ -536,7 +536,7 @@ static int setup_rt_frame_32(void *sig_return, struct ksignal *ksig,
struct rt_sigframe32 __user *frame;
int err = 0;
frame = get_sigframe(&ksig->ka, regs, sizeof(*frame));
frame = get_sigframe(ksig, regs, sizeof(*frame));
if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame)))
return -EFAULT;

2
arch/mips/kernel/signal_n32.c
View File

@ -108,7 +108,7 @@ static int setup_rt_frame_n32(void *sig_return, struct ksignal *ksig,
struct rt_sigframe_n32 __user *frame;
int err = 0;
frame = get_sigframe(&ksig->ka, regs, sizeof(*frame));
frame = get_sigframe(ksig, regs, sizeof(*frame));
if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame)))
return -EFAULT;