diff options
Diffstat (limited to 'src/mman')
| -rw-r--r-- | src/mman/mmap.c | 13 | ||||
| -rw-r--r-- | src/mman/munmap.c | 2 |
2 files changed, 7 insertions, 8 deletions
diff --git a/src/mman/mmap.c b/src/mman/mmap.c index 1917a540..56e39a7a 100644 --- a/src/mman/mmap.c +++ b/src/mman/mmap.c @@ -16,8 +16,6 @@ weak_alias(dummy0, __vm_unlock); void *__mmap(void *start, size_t len, int prot, int flags, int fd, off_t off) { - void *ret; - if (off & OFF_MASK) { errno = EINVAL; return MAP_FAILED; @@ -26,14 +24,15 @@ void *__mmap(void *start, size_t len, int prot, int flags, int fd, off_t off) errno = ENOMEM; return MAP_FAILED; } - if (flags & MAP_FIXED) __vm_lock(-1); + if (flags & MAP_FIXED) { + __vm_lock(-1); + __vm_unlock(); + } #ifdef SYS_mmap2 - ret = (void *)syscall(SYS_mmap2, start, len, prot, flags, fd, off/UNIT); + return (void *)syscall(SYS_mmap2, start, len, prot, flags, fd, off/UNIT); #else - ret = (void *)syscall(SYS_mmap, start, len, prot, flags, fd, off); + return (void *)syscall(SYS_mmap, start, len, prot, flags, fd, off); #endif - if (flags & MAP_FIXED) __vm_unlock(); - return ret; } weak_alias(__mmap, mmap); diff --git a/src/mman/munmap.c b/src/mman/munmap.c index 8488d75c..359c691f 100644 --- a/src/mman/munmap.c +++ b/src/mman/munmap.c @@ -11,8 +11,8 @@ int __munmap(void *start, size_t len) { int ret; __vm_lock(-1); - ret = syscall(SYS_munmap, start, len); __vm_unlock(); + ret = syscall(SYS_munmap, start, len); return ret; } |