diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/fs.c | 18 |
1 files changed, 8 insertions, 10 deletions
@@ -751,14 +751,13 @@ int erase(int fd, size_t count, unsigned long offset) if (check_fd(fd)) return -errno; + if (offset >= f->size) + return 0; + if (count > f->size - offset) + count = f->size - offset; dev = f->dev; - fsdrv = dev_to_fs_driver(dev); - - if (f->pos + count > f->size) - count = f->size - f->pos; - if (fsdrv->erase) ret = fsdrv->erase(dev, f, count, offset); else @@ -780,14 +779,13 @@ int protect(int fd, size_t count, unsigned long offset, int prot) if (check_fd(fd)) return -errno; + if (offset >= f->size) + return 0; + if (count > f->size - offset) + count = f->size - offset; dev = f->dev; - fsdrv = dev_to_fs_driver(dev); - - if (f->pos + count > f->size) - count = f->size - f->pos; - if (fsdrv->protect) ret = fsdrv->protect(dev, f, count, offset, prot); else |