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-rw-r--r--fs/btrfs/zlib.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/btrfs/zlib.c b/fs/btrfs/zlib.c
index ecfbce8..3e2b90e 100644
--- a/fs/btrfs/zlib.c
+++ b/fs/btrfs/zlib.c
@@ -208,7 +208,7 @@ int btrfs_zlib_compress_pages(struct address_space *mapping,
*total_in = 0;
workspace = find_zlib_workspace();
- if (!workspace)
+ if (IS_ERR(workspace))
return -1;
if (Z_OK != zlib_deflateInit(&workspace->def_strm, 3)) {
@@ -366,7 +366,7 @@ int btrfs_zlib_decompress_biovec(struct page **pages_in,
char *kaddr;
workspace = find_zlib_workspace();
- if (!workspace)
+ if (IS_ERR(workspace))
return -ENOMEM;
data_in = kmap(pages_in[page_in_index]);
@@ -547,7 +547,7 @@ int btrfs_zlib_decompress(unsigned char *data_in,
return -ENOMEM;
workspace = find_zlib_workspace();
- if (!workspace)
+ if (IS_ERR(workspace))
return -ENOMEM;
workspace->inf_strm.next_in = data_in;
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