diff options
author | Al Viro <viro@zeniv.linux.org.uk> | 2006-06-04 05:51:48 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-05 15:29:17 -0400 |
commit | b8719c31a30a4a1054d99fbd51a88c2f6444392a (patch) | |
tree | 66eb22e5f57f874f8c1b1ec09bfb1b704a4284da /arch/um/sys-x86_64 | |
parent | ca34fb1a8786af43457ec4f1bfc101a66d1160e0 (diff) |
[PATCH] uml: more __user annotations
From: Al Viro <viro@zeniv.linux.org.uk>
uml __user annotations
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/um/sys-x86_64')
-rw-r--r-- | arch/um/sys-x86_64/signal.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/arch/um/sys-x86_64/signal.c b/arch/um/sys-x86_64/signal.c index a4c46a8af008..9edf114faf79 100644 --- a/arch/um/sys-x86_64/signal.c +++ b/arch/um/sys-x86_64/signal.c | |||
@@ -21,7 +21,7 @@ | |||
21 | #include "skas.h" | 21 | #include "skas.h" |
22 | 22 | ||
23 | static int copy_sc_from_user_skas(struct pt_regs *regs, | 23 | static int copy_sc_from_user_skas(struct pt_regs *regs, |
24 | struct sigcontext *from) | 24 | struct sigcontext __user *from) |
25 | { | 25 | { |
26 | int err = 0; | 26 | int err = 0; |
27 | 27 | ||
@@ -54,7 +54,8 @@ static int copy_sc_from_user_skas(struct pt_regs *regs, | |||
54 | return(err); | 54 | return(err); |
55 | } | 55 | } |
56 | 56 | ||
57 | int copy_sc_to_user_skas(struct sigcontext *to, struct _fpstate *to_fp, | 57 | int copy_sc_to_user_skas(struct sigcontext __user *to, |
58 | struct _fpstate __user *to_fp, | ||
58 | struct pt_regs *regs, unsigned long mask, | 59 | struct pt_regs *regs, unsigned long mask, |
59 | unsigned long sp) | 60 | unsigned long sp) |
60 | { | 61 | { |
@@ -106,10 +107,11 @@ int copy_sc_to_user_skas(struct sigcontext *to, struct _fpstate *to_fp, | |||
106 | #endif | 107 | #endif |
107 | 108 | ||
108 | #ifdef CONFIG_MODE_TT | 109 | #ifdef CONFIG_MODE_TT |
109 | int copy_sc_from_user_tt(struct sigcontext *to, struct sigcontext *from, | 110 | int copy_sc_from_user_tt(struct sigcontext *to, struct sigcontext __user *from, |
110 | int fpsize) | 111 | int fpsize) |
111 | { | 112 | { |
112 | struct _fpstate *to_fp, *from_fp; | 113 | struct _fpstate *to_fp; |
114 | struct _fpstate __user *from_fp; | ||
113 | unsigned long sigs; | 115 | unsigned long sigs; |
114 | int err; | 116 | int err; |
115 | 117 | ||
@@ -124,13 +126,14 @@ int copy_sc_from_user_tt(struct sigcontext *to, struct sigcontext *from, | |||
124 | return(err); | 126 | return(err); |
125 | } | 127 | } |
126 | 128 | ||
127 | int copy_sc_to_user_tt(struct sigcontext *to, struct _fpstate *fp, | 129 | int copy_sc_to_user_tt(struct sigcontext __user *to, struct _fpstate __user *fp, |
128 | struct sigcontext *from, int fpsize, unsigned long sp) | 130 | struct sigcontext *from, int fpsize, unsigned long sp) |
129 | { | 131 | { |
130 | struct _fpstate *to_fp, *from_fp; | 132 | struct _fpstate __user *to_fp; |
133 | struct _fpstate *from_fp; | ||
131 | int err; | 134 | int err; |
132 | 135 | ||
133 | to_fp = (fp ? fp : (struct _fpstate *) (to + 1)); | 136 | to_fp = (fp ? fp : (struct _fpstate __user *) (to + 1)); |
134 | from_fp = from->fpstate; | 137 | from_fp = from->fpstate; |
135 | err = copy_to_user(to, from, sizeof(*to)); | 138 | err = copy_to_user(to, from, sizeof(*to)); |
136 | /* The SP in the sigcontext is the updated one for the signal | 139 | /* The SP in the sigcontext is the updated one for the signal |
@@ -158,7 +161,8 @@ static int copy_sc_from_user(struct pt_regs *to, void __user *from) | |||
158 | return(ret); | 161 | return(ret); |
159 | } | 162 | } |
160 | 163 | ||
161 | static int copy_sc_to_user(struct sigcontext *to, struct _fpstate *fp, | 164 | static int copy_sc_to_user(struct sigcontext __user *to, |
165 | struct _fpstate __user *fp, | ||
162 | struct pt_regs *from, unsigned long mask, | 166 | struct pt_regs *from, unsigned long mask, |
163 | unsigned long sp) | 167 | unsigned long sp) |
164 | { | 168 | { |
@@ -169,7 +173,7 @@ static int copy_sc_to_user(struct sigcontext *to, struct _fpstate *fp, | |||
169 | 173 | ||
170 | struct rt_sigframe | 174 | struct rt_sigframe |
171 | { | 175 | { |
172 | char *pretcode; | 176 | char __user *pretcode; |
173 | struct ucontext uc; | 177 | struct ucontext uc; |
174 | struct siginfo info; | 178 | struct siginfo info; |
175 | }; | 179 | }; |
@@ -188,7 +192,7 @@ int setup_signal_stack_si(unsigned long stack_top, int sig, | |||
188 | 192 | ||
189 | frame = (struct rt_sigframe __user *) | 193 | frame = (struct rt_sigframe __user *) |
190 | round_down(stack_top - sizeof(struct rt_sigframe), 16) - 8; | 194 | round_down(stack_top - sizeof(struct rt_sigframe), 16) - 8; |
191 | frame = (struct rt_sigframe *) ((unsigned long) frame - 128); | 195 | frame = (struct rt_sigframe __user *) ((unsigned long) frame - 128); |
192 | 196 | ||
193 | if (!access_ok(VERIFY_WRITE, fp, sizeof(struct _fpstate))) | 197 | if (!access_ok(VERIFY_WRITE, fp, sizeof(struct _fpstate))) |
194 | goto out; | 198 | goto out; |