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authorEric Biggers <ebiggers@google.com>2020-11-10 17:52:24 -0800
committerEric Biggers <ebiggers@google.com>2020-11-11 20:59:07 -0800
commitd19d8d345eecd9247cbe6cbf27aef271bd88aba7 (patch)
tree0044d8b76c5188e3cfba501b9237453cc35e3915 /fs/crypto/inline_crypt.c
parent92cfcd030e4b1de11a6b1edb0840e55c26332d31 (diff)
fscrypt: fix inline encryption not used on new files
The new helper function fscrypt_prepare_new_inode() runs before S_ENCRYPTED has been set on the new inode. This accidentally made fscrypt_select_encryption_impl() never enable inline encryption on newly created files, due to its use of fscrypt_needs_contents_encryption() which only returns true when S_ENCRYPTED is set. Fix this by using S_ISREG() directly instead of fscrypt_needs_contents_encryption(), analogous to what select_encryption_mode() does. I didn't notice this earlier because by design, the user-visible behavior is the same (other than performance, potentially) regardless of whether inline encryption is used or not. Fixes: a992b20cd4ee ("fscrypt: add fscrypt_prepare_new_inode() and fscrypt_set_context()") Reviewed-by: Satya Tangirala <satyat@google.com> Link: https://lore.kernel.org/r/20201111015224.303073-1-ebiggers@kernel.org Signed-off-by: Eric Biggers <ebiggers@google.com>
Diffstat (limited to 'fs/crypto/inline_crypt.c')
-rw-r--r--fs/crypto/inline_crypt.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/crypto/inline_crypt.c b/fs/crypto/inline_crypt.c
index 89bffa82ed74..c57bebfa48fe 100644
--- a/fs/crypto/inline_crypt.c
+++ b/fs/crypto/inline_crypt.c
@@ -74,7 +74,7 @@ int fscrypt_select_encryption_impl(struct fscrypt_info *ci)
int i;
/* The file must need contents encryption, not filenames encryption */
- if (!fscrypt_needs_contents_encryption(inode))
+ if (!S_ISREG(inode->i_mode))
return 0;
/* The crypto mode must have a blk-crypto counterpart */