From: Roberto Sassu <roberto.sassu@xxxxxxxxxx>
Change ima_post_read_file() definition, by making "void *buf" a
"char *buf", so that it can be registered as implementation of the
post_read_file hook.
Signed-off-by: Roberto Sassu <roberto.sassu@xxxxxxxxxx>
Reviewed-by: Stefan Berger <stefanb@xxxxxxxxxxxxx>
Reviewed-by: Mimi Zohar <zohar@xxxxxxxxxxxxx>
Reviewed-by: Casey Schaufler <casey@xxxxxxxxxxxxxxxx>
---
include/linux/ima.h | 4 ++--
security/integrity/ima/ima_main.c | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/include/linux/ima.h b/include/linux/ima.h
index 678a03fddd7e..31ef6c3c3207 100644
--- a/include/linux/ima.h
+++ b/include/linux/ima.h
@@ -30,7 +30,7 @@ extern int ima_post_load_data(char *buf, loff_t size,
enum kernel_load_data_id id, char *description);
extern int ima_read_file(struct file *file, enum kernel_read_file_id id,
bool contents);
-extern int ima_post_read_file(struct file *file, void *buf, loff_t size,
+extern int ima_post_read_file(struct file *file, char *buf, loff_t size,
enum kernel_read_file_id id);
extern void ima_post_path_mknod(struct mnt_idmap *idmap,
struct dentry *dentry);
@@ -108,7 +108,7 @@ static inline int ima_read_file(struct file *file, enum kernel_read_file_id id,
return 0;
}
-static inline int ima_post_read_file(struct file *file, void *buf, loff_t size,
+static inline int ima_post_read_file(struct file *file, char *buf, loff_t size,
enum kernel_read_file_id id)
{
return 0;
diff --git a/security/integrity/ima/ima_main.c b/security/integrity/ima/ima_main.c
index b3f5e8401056..02021ee467d3 100644
--- a/security/integrity/ima/ima_main.c
+++ b/security/integrity/ima/ima_main.c
@@ -803,7 +803,7 @@ const int read_idmap[READING_MAX_ID] = {
* On success return 0. On integrity appraisal error, assuming the file
* is in policy and IMA-appraisal is in enforcing mode, return -EACCES.
*/
-int ima_post_read_file(struct file *file, void *buf, loff_t size,
+int ima_post_read_file(struct file *file, char *buf, loff_t size,
enum kernel_read_file_id read_id)
{
enum ima_hooks func;
--
2.34.1
