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authorChuck Lever <chuck.lever@oracle.com>2023-12-31 01:46:00 +0100
committerChuck Lever <chuck.lever@oracle.com>2024-01-23 16:58:56 +0100
commit42c3732fa8073717dd7d924472f1c0bc5b452fdc (patch)
treed62658e93e5fe91a8e0e75b7c1ab90d384c90e54 /fs/crypto/fname.c
parentexportfs: fix the fallback implementation of the get_name export operation (diff)
downloadlinux-42c3732fa8073717dd7d924472f1c0bc5b452fdc.tar.xz
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fs: Create a generic is_dot_dotdot() utility
De-duplicate the same functionality in several places by hoisting the is_dot_dotdot() utility function into linux/fs.h. Suggested-by: Amir Goldstein <amir73il@gmail.com> Reviewed-by: Jeff Layton <jlayton@kernel.org> Reviewed-by: Amir Goldstein <amir73il@gmail.com> Acked-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'fs/crypto/fname.c')
-rw-r--r--fs/crypto/fname.c8
1 files changed, 1 insertions, 7 deletions
diff --git a/fs/crypto/fname.c b/fs/crypto/fname.c
index 7b3fc189593a..0ad52fbe51c9 100644
--- a/fs/crypto/fname.c
+++ b/fs/crypto/fname.c
@@ -74,13 +74,7 @@ struct fscrypt_nokey_name {
static inline bool fscrypt_is_dot_dotdot(const struct qstr *str)
{
- if (str->len == 1 && str->name[0] == '.')
- return true;
-
- if (str->len == 2 && str->name[0] == '.' && str->name[1] == '.')
- return true;
-
- return false;
+ return is_dot_dotdot(str->name, str->len);
}
/**