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Subject[PATCH 2/5] integrity: Remove redundant assignments
Date
Get rid of redundant assignments which end up in values not being
read either because they are overwritten or the function ends.

Reported by clang-tidy [deadcode.DeadStores]

Signed-off-by: Michal Orzel <michalorzel.eng@gmail.com>
---
security/integrity/ima/ima_main.c | 2 +-
security/integrity/ima/ima_modsig.c | 2 +-
security/integrity/ima/ima_policy.c | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/security/integrity/ima/ima_main.c b/security/integrity/ima/ima_main.c
index 3d3f8c5c502b..1aebf63ad7a6 100644
--- a/security/integrity/ima/ima_main.c
+++ b/security/integrity/ima/ima_main.c
@@ -432,7 +432,7 @@ int ima_file_mmap(struct file *file, unsigned long prot)
int ima_file_mprotect(struct vm_area_struct *vma, unsigned long prot)
{
struct ima_template_desc *template = NULL;
- struct file *file = vma->vm_file;
+ struct file *file;
char filename[NAME_MAX];
char *pathbuf = NULL;
const char *pathname = NULL;
diff --git a/security/integrity/ima/ima_modsig.c b/security/integrity/ima/ima_modsig.c
index fb25723c65bc..2c9d451d6326 100644
--- a/security/integrity/ima/ima_modsig.c
+++ b/security/integrity/ima/ima_modsig.c
@@ -109,7 +109,7 @@ void ima_collect_modsig(struct modsig *modsig, const void *buf, loff_t size)
return;

/* Ask the PKCS7 code to calculate the file hash. */
- rc = pkcs7_get_digest(modsig->pkcs7_msg, &modsig->digest,
+ pkcs7_get_digest(modsig->pkcs7_msg, &modsig->digest,
&modsig->digest_size, &modsig->hash_algo);
}

diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c
index eea6e92500b8..c328c2266092 100644
--- a/security/integrity/ima/ima_policy.c
+++ b/security/integrity/ima/ima_policy.c
@@ -869,7 +869,7 @@ static int __init ima_init_arch_policy(void)
char rule[255];
int result;

- result = strscpy(rule, *rules, sizeof(rule));
+ strscpy(rule, *rules, sizeof(rule));

INIT_LIST_HEAD(&arch_policy_entry[i].list);
result = ima_parse_rule(rule, &arch_policy_entry[i]);
--
2.25.1
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