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| author |   Helge Deller <deller@gmx.de> | 2013-02-19 21:11:39 +0100 |
|---|---|---|
| committer | Helge Deller <deller@gmx.de> | 2013-02-20 22:57:02 +0100 |
| commit | 2e800dff4f16a6e47adcbea7188fc586bfa5c30b (patch) | |
| tree | 195fd95575b615ac0f06e35b75110fe5e360730b /arch/parisc | |
| parent | parisc: convert msgrcv and msgsnd syscalls to use compat layer (diff) | |
| download | linux-dev-2e800dff4f16a6e47adcbea7188fc586bfa5c30b.tar.xz linux-dev-2e800dff4f16a6e47adcbea7188fc586bfa5c30b.zip | |
parisc: fix error return codes for rt_sigaction and rt_sigprocmask
Signed-off-by: Helge Deller <deller@gmx.de>
Diffstat (limited to 'arch/parisc')
| -rw-r--r-- | arch/parisc/kernel/signal32.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/arch/parisc/kernel/signal32.c b/arch/parisc/kernel/signal32.c index 5dede04f2f3e..2ddcabb616ce 100644 --- a/arch/parisc/kernel/signal32.c +++ b/arch/parisc/kernel/signal32.c @@ -65,7 +65,7 @@ put_sigset32(compat_sigset_t __user *up, sigset_t *set, size_t sz) { compat_sigset_t s; - if (sz != sizeof *set) + if (sz != sizeof(compat_sigset_t)) return -EINVAL; sigset_64to32(&s, set); @@ -78,7 +78,7 @@ get_sigset32(compat_sigset_t __user *up, sigset_t *set, size_t sz) compat_sigset_t s; int r; - if (sz != sizeof *set) + if (sz != sizeof(compat_sigset_t)) return -EINVAL; if ((r = copy_from_user(&s, up, sz)) == 0) { @@ -94,8 +94,11 @@ int sys32_rt_sigprocmask(int how, compat_sigset_t __user *set, compat_sigset_t _ sigset_t old_set, new_set; int ret; - if (set && get_sigset32(set, &new_set, sigsetsize)) - return -EFAULT; + if (set) { + ret = get_sigset32(set, &new_set, sigsetsize); + if (ret) + return ret; + } KERNEL_SYSCALL(ret, sys_rt_sigprocmask, how, set ? (sigset_t __user *)&new_set : NULL, oset ? (sigset_t __user *)&old_set : NULL, sigsetsize); @@ -128,6 +131,10 @@ sys32_rt_sigaction(int sig, const struct sigaction32 __user *act, struct sigacti struct k_sigaction new_sa, old_sa; int ret = -EINVAL; + /* XXX: Don't preclude handling different sized sigset_t's. */ + if (sigsetsize != sizeof(compat_sigset_t)) + return -EINVAL; + if (act) { if (copy_from_user(&new_sa32.sa, act, sizeof new_sa32.sa)) return -EFAULT; |