diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc/mmap64.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/mmap64.c | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/mmap64.c b/sysdeps/unix/sysv/linux/powerpc/mmap64.c index dacbbe3cf2..5b7f1c47a9 100644 --- a/sysdeps/unix/sysv/linux/powerpc/mmap64.c +++ b/sysdeps/unix/sysv/linux/powerpc/mmap64.c @@ -40,32 +40,33 @@ __ptr_t __mmap64 (__ptr_t addr, size_t len, int prot, int flags, int fd, off64_t offset) { #ifdef __NR_mmap2 - if ( -#ifndef __ASSUME_MMAP2_SYSCALL - ! have_no_mmap2 && -#endif - ! (offset & PAGE_MASK)) + if (! (offset & PAGE_MASK)) + { + __set_errno (EINVAL); + return MAP_FAILED; + } + +# ifndef __ASSUME_MMAP2_SYSCALL + if (! have_no_mmap2) { -#ifndef __ASSUME_MMAP2_SYSCALL int saved_errno = errno; -#endif +# endif /* This will be always 12, no matter what page size is. */ __ptr_t result; __ptrvalue (result) = INLINE_SYSCALL (mmap2, 6, __ptrvalue (addr), len, prot, flags, fd, (off_t) (offset >> PAGE_SHIFT)); -#if __BOUNDED_POINTERS__ +# if __BOUNDED_POINTERS__ __ptrlow (result) = __ptrvalue (result); __ptrhigh (result) = __ptrvalue (result) + len; -#endif -#ifndef __ASSUME_MMAP2_SYSCALL +# endif +# ifndef __ASSUME_MMAP2_SYSCALL if (result != (__ptr_t) -1 || errno != ENOSYS) -#endif +# endif return result; -#ifndef __ASSUME_MMAP2_SYSCALL +# ifndef __ASSUME_MMAP2_SYSCALL __set_errno (saved_errno); have_no_mmap2 = 1; -#endif } #endif if (offset != (off_t) offset || (offset + len) != (off_t) (offset + len)) |