diff options
| -rw-r--r-- | fs/exfat/io.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/fs/exfat/io.c b/fs/exfat/io.c index 77cd2dfb6dc..d80eece6850 100644 --- a/fs/exfat/io.c +++ b/fs/exfat/io.c @@ -442,12 +442,15 @@ off_t exfat_get_size(const struct exfat_dev* dev) ssize_t exfat_pread(struct exfat_dev* dev, void* buffer, size_t size, off_t offset) { - lbaint_t sect = offset >> ctxt.cur_dev->log2blksz; - int off = offset & (ctxt.cur_dev->blksz - 1); + lbaint_t sect; + int off; if (!ctxt.cur_dev) return -EIO; + sect = offset >> ctxt.cur_dev->log2blksz; + off = offset & (ctxt.cur_dev->blksz - 1); + if (fs_devread(ctxt.cur_dev, &ctxt.cur_part_info, sect, off, size, buffer)) return 0; @@ -457,12 +460,15 @@ ssize_t exfat_pread(struct exfat_dev* dev, void* buffer, size_t size, ssize_t exfat_pwrite(struct exfat_dev* dev, const void* buffer, size_t size, off_t offset) { - lbaint_t sect = offset >> ctxt.cur_dev->log2blksz; - int off = offset & (ctxt.cur_dev->blksz - 1); + lbaint_t sect; + int off; if (!ctxt.cur_dev) return -EIO; + sect = offset >> ctxt.cur_dev->log2blksz; + off = offset & (ctxt.cur_dev->blksz - 1); + if (fs_devwrite(ctxt.cur_dev, &ctxt.cur_part_info, sect, off, size, buffer)) return 0; |