diff options
Diffstat (limited to 'arch/arm/kernel/signal.c')
-rw-r--r-- | arch/arm/kernel/signal.c | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index 61b2cfcef3f1..07429a23c720 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c | |||
@@ -45,38 +45,6 @@ const unsigned long sigreturn_codes[7] = { | |||
45 | MOV_R7_NR_RT_SIGRETURN, SWI_SYS_RT_SIGRETURN, SWI_THUMB_RT_SIGRETURN, | 45 | MOV_R7_NR_RT_SIGRETURN, SWI_SYS_RT_SIGRETURN, SWI_THUMB_RT_SIGRETURN, |
46 | }; | 46 | }; |
47 | 47 | ||
48 | asmlinkage int | ||
49 | sys_sigaction(int sig, const struct old_sigaction __user *act, | ||
50 | struct old_sigaction __user *oact) | ||
51 | { | ||
52 | struct k_sigaction new_ka, old_ka; | ||
53 | int ret; | ||
54 | |||
55 | if (act) { | ||
56 | old_sigset_t mask; | ||
57 | if (!access_ok(VERIFY_READ, act, sizeof(*act)) || | ||
58 | __get_user(new_ka.sa.sa_handler, &act->sa_handler) || | ||
59 | __get_user(new_ka.sa.sa_restorer, &act->sa_restorer) || | ||
60 | __get_user(new_ka.sa.sa_flags, &act->sa_flags) || | ||
61 | __get_user(mask, &act->sa_mask)) | ||
62 | return -EFAULT; | ||
63 | siginitset(&new_ka.sa.sa_mask, mask); | ||
64 | } | ||
65 | |||
66 | ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL); | ||
67 | |||
68 | if (!ret && oact) { | ||
69 | if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) || | ||
70 | __put_user(old_ka.sa.sa_handler, &oact->sa_handler) || | ||
71 | __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer) || | ||
72 | __put_user(old_ka.sa.sa_flags, &oact->sa_flags) || | ||
73 | __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask)) | ||
74 | return -EFAULT; | ||
75 | } | ||
76 | |||
77 | return ret; | ||
78 | } | ||
79 | |||
80 | #ifdef CONFIG_CRUNCH | 48 | #ifdef CONFIG_CRUNCH |
81 | static int preserve_crunch_context(struct crunch_sigframe __user *frame) | 49 | static int preserve_crunch_context(struct crunch_sigframe __user *frame) |
82 | { | 50 | { |