Messages in this thread Patch in this message | | | From | Jingbo Xu <> | Subject | [PATCH 1/2] erofs: put metabuf in error path in fscache mode | Date | Fri, 4 Nov 2022 13:40:27 +0800 |
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For tail packing layout, put metabuf when error is encountered.
Fixes: 1ae9470c3e14 ("erofs: clean up .read_folio() and .readahead() in fscache mode") Signed-off-by: Jingbo Xu <jefflexu@linux.alibaba.com> --- fs/erofs/fscache.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/fs/erofs/fscache.c b/fs/erofs/fscache.c index fe05bc51f9f2..83559008bfa8 100644 --- a/fs/erofs/fscache.c +++ b/fs/erofs/fscache.c @@ -287,8 +287,10 @@ static int erofs_fscache_data_read(struct address_space *mapping, return PTR_ERR(src); iov_iter_xarray(&iter, READ, &mapping->i_pages, pos, PAGE_SIZE); - if (copy_to_iter(src + offset, size, &iter) != size) + if (copy_to_iter(src + offset, size, &iter) != size) { + erofs_put_metabuf(&buf); return -EFAULT; + } iov_iter_zero(PAGE_SIZE - size, &iter); erofs_put_metabuf(&buf); return PAGE_SIZE; -- 2.19.1.6.gb485710b
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