It is apparently not possible to specify explicit module dependencies.
For well-formed setups this is not a problem because
crypto_alloc_shash() uses request_module() internally, but if one needs
reiser4, say, in initramfs, then the checksum module must be added
manually.
Signed-off-by: Ivan Shapovalov <intelfx100@xxxxxxxxx>
---
fs/reiser4/checksum.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/fs/reiser4/checksum.c b/fs/reiser4/checksum.c
index 73d40f0..2a35f42 100644
--- a/fs/reiser4/checksum.c
+++ b/fs/reiser4/checksum.c
@@ -7,8 +7,10 @@ int reiser4_init_csum_tfm(struct crypto_shash **tfm)
struct crypto_shash *new_tfm;
new_tfm = crypto_alloc_shash("crc32c", 0, 0);
- if (IS_ERR(new_tfm))
+ if (IS_ERR(new_tfm)) {
+ warning("intelfx-81", "Could not load crc32c driver");
return PTR_ERR(new_tfm);
+ }
*tfm = new_tfm;
return 0;
--
2.5.1
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