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Kirill Smelkov
linux
Commits
64de57ff
Commit
64de57ff
authored
Nov 10, 2005
by
Tony Luck
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Pull align-sig-frame into release branch
parents
759979ab
cf20d1ea
Changes
1
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1 changed file
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5 additions
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6 deletions
+5
-6
arch/ia64/kernel/signal.c
arch/ia64/kernel/signal.c
+5
-6
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arch/ia64/kernel/signal.c
View file @
64de57ff
...
...
@@ -387,15 +387,14 @@ setup_frame (int sig, struct k_sigaction *ka, siginfo_t *info, sigset_t *set,
struct
sigscratch
*
scr
)
{
extern
char
__kernel_sigtramp
[];
unsigned
long
tramp_addr
,
new_rbs
=
0
;
unsigned
long
tramp_addr
,
new_rbs
=
0
,
new_sp
;
struct
sigframe
__user
*
frame
;
long
err
;
frame
=
(
void
__user
*
)
scr
->
pt
.
r12
;
new_sp
=
scr
->
pt
.
r12
;
tramp_addr
=
(
unsigned
long
)
__kernel_sigtramp
;
if
((
ka
->
sa
.
sa_flags
&
SA_ONSTACK
)
&&
sas_ss_flags
((
unsigned
long
)
frame
)
==
0
)
{
frame
=
(
void
__user
*
)
((
current
->
sas_ss_sp
+
current
->
sas_ss_size
)
&
~
(
STACK_ALIGN
-
1
));
if
((
ka
->
sa
.
sa_flags
&
SA_ONSTACK
)
&&
sas_ss_flags
(
new_sp
)
==
0
)
{
new_sp
=
current
->
sas_ss_sp
+
current
->
sas_ss_size
;
/*
* We need to check for the register stack being on the signal stack
* separately, because it's switched separately (memory stack is switched
...
...
@@ -404,7 +403,7 @@ setup_frame (int sig, struct k_sigaction *ka, siginfo_t *info, sigset_t *set,
if
(
!
rbs_on_sig_stack
(
scr
->
pt
.
ar_bspstore
))
new_rbs
=
(
current
->
sas_ss_sp
+
sizeof
(
long
)
-
1
)
&
~
(
sizeof
(
long
)
-
1
);
}
frame
=
(
void
__user
*
)
frame
-
((
sizeof
(
*
frame
)
+
STACK_ALIGN
-
1
)
&
~
(
STACK_ALIGN
-
1
)
);
frame
=
(
void
__user
*
)
((
new_sp
-
sizeof
(
*
frame
))
&
-
STACK_ALIGN
);
if
(
!
access_ok
(
VERIFY_WRITE
,
frame
,
sizeof
(
*
frame
)))
return
force_sigsegv_info
(
sig
,
frame
);
...
...
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