diff options
Diffstat (limited to 'fs/fs.c')
| -rw-r--r-- | fs/fs.c | 19 |
1 files changed, 8 insertions, 11 deletions
@@ -418,26 +418,23 @@ loff_t lseek(int fildes, loff_t offset, int whence) switch (whence) { case SEEK_SET: - if (f->size != FILE_SIZE_STREAM && offset > f->size) - goto out; - if (offset < 0) - goto out; - pos = offset; + pos = 0; break; case SEEK_CUR: - if (f->size != FILE_SIZE_STREAM && offset + f->pos > f->size) - goto out; - pos = f->pos + offset; + pos = f->pos; break; case SEEK_END: - if (offset > 0) - goto out; - pos = f->size + offset; + pos = f->size; break; default: goto out; } + pos += offset; + + if (f->size != FILE_SIZE_STREAM && (pos < 0 || pos > f->size)) + goto out; + if (fsdrv->lseek) { ret = fsdrv->lseek(&f->fsdev->dev, f, pos); if (ret < 0) |