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[MIPS] Fix sigset_t endianess swapping issues in 32-bit compat code.

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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle
2007-02-13 00:05:11 +00:00
parent 366d6aef28
commit 431dc80403
6 changed files with 115 additions and 9 deletions
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11
arch/mips/kernel/signal32.c
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@@ -8,6 +8,7 @@
* Copyright (C) 1999, 2000 Silicon Graphics, Inc.
*/
#include <linux/cache.h>
#include <linux/compat.h>
#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/smp.h>
@@ -24,6 +25,7 @@
#include <asm/abi.h>
#include <asm/asm.h>
#include <asm/compat-signal.h>
#include <linux/bitops.h>
#include <asm/cacheflush.h>
#include <asm/sim.h>
@@ -517,7 +519,7 @@ asmlinkage void sys32_sigreturn(nabi_no_regargs struct pt_regs regs)
frame = (struct sigframe32 __user *) regs.regs[29];
if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
goto badframe;
if (__copy_from_user(&blocked, &frame->sf_mask, sizeof(blocked)))
if (__copy_conv_sigset_from_user(&blocked, &frame->sf_mask))
goto badframe;
sigdelsetmask(&blocked, ~_BLOCKABLE);
@@ -554,7 +556,7 @@ asmlinkage void sys32_rt_sigreturn(nabi_no_regargs struct pt_regs regs)
frame = (struct rt_sigframe32 __user *) regs.regs[29];
if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
goto badframe;
if (__copy_from_user(&set, &frame->rs_uc.uc_sigmask, sizeof(set)))
if (__copy_conv_sigset_from_user(&set, &frame->rs_uc.uc_sigmask))
goto badframe;
sigdelsetmask(&set, ~_BLOCKABLE);
@@ -609,7 +611,8 @@ int setup_frame_32(struct k_sigaction * ka, struct pt_regs *regs,
err |= install_sigtramp(frame->sf_code, __NR_O32_sigreturn);
err |= setup_sigcontext32(regs, &frame->sf_sc);
err |= __copy_to_user(&frame->sf_mask, set, sizeof(*set));
err |= __copy_conv_sigset_to_user(&frame->sf_mask, set);
if (err)
goto give_sigsegv;
@@ -668,7 +671,7 @@ int setup_rt_frame_32(struct k_sigaction * ka, struct pt_regs *regs,
err |= __put_user(current->sas_ss_size,
&frame->rs_uc.uc_stack.ss_size);
err |= setup_sigcontext32(regs, &frame->rs_uc.uc_mcontext);
err |= __copy_to_user(&frame->rs_uc.uc_sigmask, set, sizeof(*set));
err |= __copy_conv_sigset_to_user(&frame->rs_uc.uc_sigmask, set);
if (err)
goto give_sigsegv;