linux-kernel - [PATCH] ecryptfs: Remove redundant if checks in encrypt_and_encode

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Message-ID: <20260207104540.68558-1-thorsten.blum@linux.dev>
Date: Sat,  7 Feb 2026 11:45:37 +0100
From: Thorsten Blum <thorsten.blum@...ux.dev>
To: Tyler Hicks <code@...icks.com>,
	Thorsten Blum <thorsten.blum@...ux.dev>,
	Ard Biesheuvel <ardb@...nel.org>,
	Zipeng Zhang <zhangzipeng0@...mail.com>,
	Christian Brauner <brauner@...nel.org>,
	Eric Biggers <ebiggers@...nel.org>
Cc: ecryptfs@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] ecryptfs: Remove redundant if checks in encrypt_and_encode_filename

The outer if already checks if 'mount_crypt_stat' is true. Drop checking
'mount_crypt_stat' again.  Use ecryptfs_printk() while we're at it.

Signed-off-by: Thorsten Blum <thorsten.blum@...ux.dev>
---
 fs/ecryptfs/crypto.c | 21 ++++++++++-----------
 1 file changed, 10 insertions(+), 11 deletions(-)

diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c
index 7d864c8b1622..692cc5af8cd9 100644
--- a/fs/ecryptfs/crypto.c
+++ b/fs/ecryptfs/crypto.c
@@ -1818,8 +1818,9 @@ int ecryptfs_encrypt_and_encode_filename(
 		filename->filename_size = name_size;
 		rc = ecryptfs_encrypt_filename(filename, mount_crypt_stat);
 		if (rc) {
-			printk(KERN_ERR "%s: Error attempting to encrypt "
-			       "filename; rc = [%d]\n", __func__, rc);
+			ecryptfs_printk(KERN_ERR,
+				"Error attempting to encrypt filename; rc = [%d]\n",
+				rc);
 			kfree(filename);
 			goto out;
 		}
@@ -1827,9 +1828,8 @@ int ecryptfs_encrypt_and_encode_filename(
 			NULL, &encoded_name_no_prefix_size,
 			filename->encrypted_filename,
 			filename->encrypted_filename_size);
-		if (mount_crypt_stat
-			&& (mount_crypt_stat->flags
-			    & ECRYPTFS_GLOBAL_ENCFN_USE_MOUNT_FNEK))
+		if (mount_crypt_stat->flags
+		    & ECRYPTFS_GLOBAL_ENCFN_USE_MOUNT_FNEK)
 			(*encoded_name_size) =
 				(ECRYPTFS_FNEK_ENCRYPTED_FILENAME_PREFIX_SIZE
 				 + encoded_name_no_prefix_size);
@@ -1844,9 +1844,8 @@ int ecryptfs_encrypt_and_encode_filename(
 			kfree(filename);
 			goto out;
 		}
-		if (mount_crypt_stat
-			&& (mount_crypt_stat->flags
-			    & ECRYPTFS_GLOBAL_ENCFN_USE_MOUNT_FNEK)) {
+		if (mount_crypt_stat->flags
+		    & ECRYPTFS_GLOBAL_ENCFN_USE_MOUNT_FNEK) {
 			memcpy((*encoded_name),
 			       ECRYPTFS_FNEK_ENCRYPTED_FILENAME_PREFIX,
 			       ECRYPTFS_FNEK_ENCRYPTED_FILENAME_PREFIX_SIZE);
@@ -1864,9 +1863,9 @@ int ecryptfs_encrypt_and_encode_filename(
 			rc = -EOPNOTSUPP;
 		}
 		if (rc) {
-			printk(KERN_ERR "%s: Error attempting to encode "
-			       "encrypted filename; rc = [%d]\n", __func__,
-			       rc);
+			ecryptfs_printk(KERN_ERR,
+				"Error attempting to encode encrypted filename; rc = [%d]\n",
+				rc);
 			kfree((*encoded_name));
 			(*encoded_name) = NULL;
 			(*encoded_name_size) = 0;
-- 
Thorsten Blum <thorsten.blum@...ux.dev>
GPG: 1D60 735E 8AEF 3BE4 73B6  9D84 7336 78FD 8DFE EAD4