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| author | Tim Gardner <tim.gardner@canonical.com> | 2012-01-12 16:31:55 +0100 |
|---|---|---|
| committer | Tyler Hicks <tyhicks@canonical.com> | 2012-01-25 14:43:38 -0600 |
| commit | bb4503615d95d6826b7907986ad574e3157877e8 (patch) | |
| tree | b18866a880872b94c16452208f9073b20987505c /fs | |
| parent | 30373dc0c87ffef68d5628e77d56ffb1fa22e1ee (diff) | |
| download | linux-bb4503615d95d6826b7907986ad574e3157877e8.tar.gz linux-bb4503615d95d6826b7907986ad574e3157877e8.tar.bz2 linux-bb4503615d95d6826b7907986ad574e3157877e8.zip | |
ecryptfs: Remove unnecessary variable initialization
Removes unneeded variable initialization in ecryptfs_read_metadata(). Also adds
a small comment to help explain metadata reading logic.
[tyhicks@canonical.com: Pulled out of for-stable patch and wrote commit msg]
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ecryptfs/crypto.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c index 2bf52033538b..ff981503b3e3 100644 --- a/fs/ecryptfs/crypto.c +++ b/fs/ecryptfs/crypto.c @@ -1590,8 +1590,8 @@ int ecryptfs_read_and_validate_xattr_region(struct dentry *dentry, */ int ecryptfs_read_metadata(struct dentry *ecryptfs_dentry) { - int rc = 0; - char *page_virt = NULL; + int rc; + char *page_virt; struct inode *ecryptfs_inode = ecryptfs_dentry->d_inode; struct ecryptfs_crypt_stat *crypt_stat = &ecryptfs_inode_to_private(ecryptfs_inode)->crypt_stat; @@ -1616,6 +1616,7 @@ int ecryptfs_read_metadata(struct dentry *ecryptfs_dentry) ecryptfs_dentry, ECRYPTFS_VALIDATE_HEADER_SIZE); if (rc) { + /* metadata is not in the file header, so try xattrs */ memset(page_virt, 0, PAGE_CACHE_SIZE); rc = ecryptfs_read_xattr_region(page_virt, ecryptfs_inode); if (rc) { |