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Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linus

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* 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linus:
  MIPS: Enable ISA_DMA_API config to fix build failure
  MIPS: 32-bit: Fix build failure in asm/fcntl.h
  MIPS: Remove all generated vmlinuz* files on "make clean"
  MIPS: do_sigaltstack() expects userland pointers
  MIPS: Fix error values in case of bad_stack
  MIPS: Sanitize restart logics
  MIPS: secure_computing, syscall audit: syscall number should in r2, not r0.
  MIPS: Don't block signals if we'd failed to setup a sigframe
This commit is contained in:
Linus Torvalds
2010-10-18 13:10:36 -07:00
parent b0579fc089 a35bee8a27
commit 547af560dd
12 changed files with 53 additions and 44 deletions
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9
arch/mips/kernel/scall64-o32.S
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@@ -93,8 +93,9 @@ NESTED(handle_sys, PT_SIZE, sp)
sd t0, PT_R7(sp) # set error flag
beqz t0, 1f
ld t1, PT_R2(sp) # syscall number
dnegu v0 # error
sd v0, PT_R0(sp) # flag for syscall restarting
sd t1, PT_R0(sp) # save it for syscall restarting
1: sd v0, PT_R2(sp) # result
o32_syscall_exit:
@@ -142,8 +143,9 @@ trace_a_syscall:
sd t0, PT_R7(sp) # set error flag
beqz t0, 1f
ld t1, PT_R2(sp) # syscall number
dnegu v0 # error
sd v0, PT_R0(sp) # set flag for syscall restarting
sd t1, PT_R0(sp) # save it for syscall restarting
1: sd v0, PT_R2(sp) # result
j syscall_exit
@@ -154,8 +156,7 @@ trace_a_syscall:
* The stackpointer for a call with more than 4 arguments is bad.
*/
bad_stack:
dnegu v0 # error
sd v0, PT_R0(sp)
li v0, EFAULT
sd v0, PT_R2(sp)
li t0, 1 # set error flag
sd t0, PT_R7(sp)