diff options
Diffstat (limited to 'fs/compat.c')
| -rw-r--r-- | fs/compat.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/fs/compat.c b/fs/compat.c index 7e7e5bc4f3c..ce982f6e8c8 100644 --- a/fs/compat.c +++ b/fs/compat.c @@ -55,6 +55,20 @@ extern void sigset_from_compat(sigset_t *set, compat_sigset_t *compat); +int compat_log = 1; + +int compat_printk(const char *fmt, ...) +{ + va_list ap; + int ret; + if (!compat_log) + return 0; + va_start(ap, fmt); + ret = vprintk(fmt, ap); + va_end(ap); + return ret; +} + /* * Not all architectures have sys_utime, so implement this in terms * of sys_utimes. @@ -359,7 +373,7 @@ static void compat_ioctl_error(struct file *filp, unsigned int fd, sprintf(buf,"'%c'", (cmd>>24) & 0x3f); if (!isprint(buf[1])) sprintf(buf, "%02x", buf[1]); - printk("ioctl32(%s:%d): Unknown cmd fd(%d) " + compat_printk("ioctl32(%s:%d): Unknown cmd fd(%d) " "cmd(%08x){%s} arg(%08x) on %s\n", current->comm, current->pid, (int)fd, (unsigned int)cmd, buf, @@ -1841,7 +1855,7 @@ asmlinkage long compat_sys_pselect7(int n, compat_ulong_t __user *inp, } while (!ret && !timeout && tsp && (ts.tv_sec || ts.tv_nsec)); - if (tsp && !(current->personality & STICKY_TIMEOUTS)) { + if (ret == 0 && tsp && !(current->personality & STICKY_TIMEOUTS)) { struct compat_timespec rts; rts.tv_sec = timeout / HZ; @@ -1852,7 +1866,8 @@ asmlinkage long compat_sys_pselect7(int n, compat_ulong_t __user *inp, } if (compat_timespec_compare(&rts, &ts) >= 0) rts = ts; - copy_to_user(tsp, &rts, sizeof(rts)); + if (copy_to_user(tsp, &rts, sizeof(rts))) + ret = -EFAULT; } if (ret == -ERESTARTNOHAND) { |