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authorDavid Tardon <dtardon@redhat.com>2022-03-03 15:58:24 +0100
committerLuca Boccassi <luca.boccassi@gmail.com>2022-03-10 12:54:30 +0000
commit541ada330879dd928b33b55f1fc437ec1bbd349f (patch)
tree404e729e7ccc4004092e0f6f52dbdba983eb8b87
parentd7ff7e3b6e2bd9eee809880d3632b293097e22e7 (diff)
downloadsystemd-541ada330879dd928b33b55f1fc437ec1bbd349f.tar.gz
devnode-acl: use _cleanup_ to free acl_t
(cherry picked from commit 203ea2c8f158288fea56c5be980715b2b7e002fe) (cherry picked from commit 543c73300e3b9298e5316555bf4df6ff7dfc210f)
-rw-r--r--src/shared/devnode-acl.c73
1 files changed, 25 insertions, 48 deletions
diff --git a/src/shared/devnode-acl.c b/src/shared/devnode-acl.c
index 07e29e1019..394422b164 100644
--- a/src/shared/devnode-acl.c
+++ b/src/shared/devnode-acl.c
@@ -52,8 +52,8 @@ int devnode_acl(const char *path,
bool del, uid_t old_uid,
bool add, uid_t new_uid) {
- acl_t acl;
- int r = 0;
+ _cleanup_(acl_freep) acl_t acl = NULL;
+ int r;
bool changed = false;
assert(path);
@@ -66,7 +66,7 @@ int devnode_acl(const char *path,
r = flush_acl(acl);
if (r < 0)
- goto finish;
+ return r;
if (r > 0)
changed = true;
@@ -75,13 +75,11 @@ int devnode_acl(const char *path,
r = acl_find_uid(acl, old_uid, &entry);
if (r < 0)
- goto finish;
+ return r;
if (r > 0) {
- if (acl_delete_entry(acl, entry) < 0) {
- r = -errno;
- goto finish;
- }
+ if (acl_delete_entry(acl, entry) < 0)
+ return -errno;
changed = true;
}
@@ -94,68 +92,47 @@ int devnode_acl(const char *path,
r = acl_find_uid(acl, new_uid, &entry);
if (r < 0)
- goto finish;
+ return r;
if (r == 0) {
- if (acl_create_entry(&acl, &entry) < 0) {
- r = -errno;
- goto finish;
- }
+ if (acl_create_entry(&acl, &entry) < 0)
+ return -errno;
if (acl_set_tag_type(entry, ACL_USER) < 0 ||
- acl_set_qualifier(entry, &new_uid) < 0) {
- r = -errno;
- goto finish;
- }
+ acl_set_qualifier(entry, &new_uid) < 0)
+ return -errno;
}
- if (acl_get_permset(entry, &permset) < 0) {
- r = -errno;
- goto finish;
- }
+ if (acl_get_permset(entry, &permset) < 0)
+ return -errno;
rd = acl_get_perm(permset, ACL_READ);
- if (rd < 0) {
- r = -errno;
- goto finish;
- }
+ if (rd < 0)
+ return -errno;
wt = acl_get_perm(permset, ACL_WRITE);
- if (wt < 0) {
- r = -errno;
- goto finish;
- }
+ if (wt < 0)
+ return -errno;
if (!rd || !wt) {
- if (acl_add_perm(permset, ACL_READ|ACL_WRITE) < 0) {
- r = -errno;
- goto finish;
- }
+ if (acl_add_perm(permset, ACL_READ|ACL_WRITE) < 0)
+ return -errno;
changed = true;
}
}
if (!changed)
- goto finish;
-
- if (acl_calc_mask(&acl) < 0) {
- r = -errno;
- goto finish;
- }
-
- if (acl_set_file(path, ACL_TYPE_ACCESS, acl) < 0) {
- r = -errno;
- goto finish;
- }
+ return 0;
- r = 0;
+ if (acl_calc_mask(&acl) < 0)
+ return -errno;
-finish:
- acl_free(acl);
+ if (acl_set_file(path, ACL_TYPE_ACCESS, acl) < 0)
+ return -errno;
- return r;
+ return 0;
}
int devnode_acl_all(const char *seat,