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authorChao Yu <chao2.yu@samsung.com>2015-05-13 18:20:54 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2015-06-01 16:20:57 -0700
commit7bf4b5576af816f3f40bf3b99f0257e6c14bd35c (patch)
tree282f899e87de3d74c2bedab8ec8d021b434e24a9 /fs/f2fs
parentca40b0305209248e5fd05f6ba8a3874656ff0117 (diff)
downloadlinux-7bf4b5576af816f3f40bf3b99f0257e6c14bd35c.tar.bz2
f2fs crypto: fix to release buffer for fname crypto
This patch fixes memory leak issue in error path of f2fs_fname_setup_filename(). Signed-off-by: Chao Yu <chao2.yu@samsung.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/crypto_fname.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/f2fs/crypto_fname.c b/fs/f2fs/crypto_fname.c
index e3a1bdc70b03..016c4b63b53d 100644
--- a/fs/f2fs/crypto_fname.c
+++ b/fs/f2fs/crypto_fname.c
@@ -425,7 +425,7 @@ int f2fs_fname_setup_filename(struct inode *dir, const struct qstr *iname,
if (!f2fs_encrypted_inode(dir) || is_dot_dotdot(iname)) {
fname->disk_name.name = (unsigned char *)iname->name;
fname->disk_name.len = iname->len;
- goto out;
+ return 0;
}
ret = f2fs_setup_fname_crypto(dir);
if (ret)
@@ -435,14 +435,13 @@ int f2fs_fname_setup_filename(struct inode *dir, const struct qstr *iname,
ret = f2fs_fname_crypto_alloc_buffer(dir, iname->len,
&fname->crypto_buf);
if (ret < 0)
- goto out;
+ return ret;
ret = f2fs_fname_encrypt(dir, iname, &fname->crypto_buf);
if (ret < 0)
goto out;
fname->disk_name.name = fname->crypto_buf.name;
fname->disk_name.len = fname->crypto_buf.len;
- ret = 0;
- goto out;
+ return 0;
}
if (!lookup) {
ret = -EACCES;
@@ -476,8 +475,9 @@ int f2fs_fname_setup_filename(struct inode *dir, const struct qstr *iname,
fname->disk_name.name = fname->crypto_buf.name;
fname->disk_name.len = fname->crypto_buf.len;
}
- ret = 0;
+ return 0;
out:
+ f2fs_fname_crypto_free_buffer(&fname->crypto_buf);
return ret;
}