if (Z_OK != zlib_deflateInit(&workspace->def_strm, 3)) {
printk(KERN_WARNING "BTRFS: deflateInit failed\n");
- ret = -1;
+ ret = -EIO;
goto out;
}
out_page = alloc_page(GFP_NOFS | __GFP_HIGHMEM);
if (out_page == NULL) {
- ret = -1;
+ ret = -ENOMEM;
goto out;
}
cpage_out = kmap(out_page);
printk(KERN_DEBUG "BTRFS: deflate in loop returned %d\n",
ret);
zlib_deflateEnd(&workspace->def_strm);
- ret = -1;
+ ret = -EIO;
goto out;
}
if (workspace->def_strm.total_in > 8192 &&
workspace->def_strm.total_in <
workspace->def_strm.total_out) {
- ret = -1;
+ ret = -E2BIG;
goto out;
}
/* we need another page for writing out. Test this
kunmap(out_page);
if (nr_pages == nr_dest_pages) {
out_page = NULL;
- ret = -1;
+ ret = -E2BIG;
goto out;
}
out_page = alloc_page(GFP_NOFS | __GFP_HIGHMEM);
if (out_page == NULL) {
- ret = -1;
+ ret = -ENOMEM;
goto out;
}
cpage_out = kmap(out_page);
zlib_deflateEnd(&workspace->def_strm);
if (ret != Z_STREAM_END) {
- ret = -1;
+ ret = -EIO;
goto out;
}
if (workspace->def_strm.total_out >= workspace->def_strm.total_in) {
- ret = -1;
+ ret = -E2BIG;
goto out;
}
if (Z_OK != zlib_inflateInit2(&workspace->inf_strm, wbits)) {
printk(KERN_WARNING "BTRFS: inflateInit failed\n");
- return -1;
+ return -EIO;
}
while (workspace->inf_strm.total_in < srclen) {
ret = zlib_inflate(&workspace->inf_strm, Z_NO_FLUSH);
}
}
if (ret != Z_STREAM_END)
- ret = -1;
+ ret = -EIO;
else
ret = 0;
done:
if (Z_OK != zlib_inflateInit2(&workspace->inf_strm, wbits)) {
printk(KERN_WARNING "BTRFS: inflateInit failed\n");
- return -1;
+ return -EIO;
}
while (bytes_left > 0) {
total_out = workspace->inf_strm.total_out;
if (total_out == buf_start) {
- ret = -1;
+ ret = -EIO;
break;
}
}
if (ret != Z_STREAM_END && bytes_left != 0)
- ret = -1;
+ ret = -EIO;
else
ret = 0;