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authorStefan Berger <stefanb@linux.ibm.com>2024-02-23 20:25:04 +0300
committerMimi Zohar <zohar@linux.ibm.com>2024-04-10 00:14:56 +0300
commitc21632b66895eb23c05e4eeedb68128fb243d168 (patch)
tree89b9c978d4d081f234106d00bcd37d0f2572b565
parent38aa3f5ac6d2de6b471ecb6e1cd878957ae7e8de (diff)
downloadlinux-c21632b66895eb23c05e4eeedb68128fb243d168.tar.xz
ima: Rename backing_inode to real_inode
Rename the backing_inode variable to real_inode since it gets its value from real_inode(). Suggested-by: Amir Goldstein <amir73il@gmail.com> Co-developed-by: Mimi Zohar <zohar@linux.ibm.com> Signed-off-by: Stefan Berger <stefanb@linux.ibm.com> Acked-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
-rw-r--r--security/integrity/ima/ima_main.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/security/integrity/ima/ima_main.c b/security/integrity/ima/ima_main.c
index fff155f230a5..eebf629f192e 100644
--- a/security/integrity/ima/ima_main.c
+++ b/security/integrity/ima/ima_main.c
@@ -208,7 +208,7 @@ static int process_measurement(struct file *file, const struct cred *cred,
u32 secid, char *buf, loff_t size, int mask,
enum ima_hooks func)
{
- struct inode *backing_inode, *inode = file_inode(file);
+ struct inode *real_inode, *inode = file_inode(file);
struct ima_iint_cache *iint = NULL;
struct ima_template_desc *template_desc = NULL;
char *pathbuf = NULL;
@@ -285,14 +285,16 @@ static int process_measurement(struct file *file, const struct cred *cred,
iint->measured_pcrs = 0;
}
- /* Detect and re-evaluate changes made to the backing file. */
- backing_inode = d_real_inode(file_dentry(file));
- if (backing_inode != inode &&
+ /*
+ * On stacked filesystems, detect and re-evaluate file data changes.
+ */
+ real_inode = d_real_inode(file_dentry(file));
+ if (real_inode != inode &&
(action & IMA_DO_MASK) && (iint->flags & IMA_DONE_MASK)) {
- if (!IS_I_VERSION(backing_inode) ||
- backing_inode->i_sb->s_dev != iint->real_dev ||
- backing_inode->i_ino != iint->real_ino ||
- !inode_eq_iversion(backing_inode, iint->version)) {
+ if (!IS_I_VERSION(real_inode) ||
+ real_inode->i_sb->s_dev != iint->real_dev ||
+ real_inode->i_ino != iint->real_ino ||
+ !inode_eq_iversion(real_inode, iint->version)) {
iint->flags &= ~IMA_DONE_MASK;
iint->measured_pcrs = 0;
}