Use contemporary style for declarations and automatic memory clearing for a helper string. Since the function can't fail any more, remove any mention of returning errno and remove error checks from all callers. Signed-off-by: Peter Krempa <pkrempa@xxxxxxxxxx> --- src/lxc/lxc_container.c | 4 ++-- src/security/security_dac.c | 7 +------ src/util/vircommand.c | 3 +-- src/util/virfile.c | 8 -------- src/util/virutil.c | 16 ++++++++-------- tests/commandtest.c | 5 ++--- tools/virt-login-shell-helper.c | 3 +-- 7 files changed, 15 insertions(+), 31 deletions(-) diff --git a/src/lxc/lxc_container.c b/src/lxc/lxc_container.c index 652697890f..7e460544fb 100644 --- a/src/lxc/lxc_container.c +++ b/src/lxc/lxc_container.c @@ -2059,8 +2059,8 @@ static int lxcContainerChild(void *data) /* TODO is it safe to call it here or should this call be moved in * front of the clone() as otherwise there might be a risk for a * deadlock */ - if ((ngroups = virGetGroupList(virCommandGetUID(cmd), virCommandGetGID(cmd), - &groups)) < 0) + ngroups = virGetGroupList(virCommandGetUID(cmd), virCommandGetGID(cmd), + &groups); goto cleanup; ret = 0; diff --git a/src/security/security_dac.c b/src/security/security_dac.c index 4e850e219e..669b90125c 100644 --- a/src/security/security_dac.c +++ b/src/security/security_dac.c @@ -524,14 +524,9 @@ static int virSecurityDACPreFork(virSecurityManager *mgr) { virSecurityDACData *priv = virSecurityManagerGetPrivateData(mgr); - int ngroups; g_clear_pointer(&priv->groups, g_free); - priv->ngroups = 0; - if ((ngroups = virGetGroupList(priv->user, priv->group, - &priv->groups)) < 0) - return -1; - priv->ngroups = ngroups; + priv->ngroups = virGetGroupList(priv->user, priv->group, &priv->groups); return 0; } diff --git a/src/util/vircommand.c b/src/util/vircommand.c index 81e74deee0..07bee9b12e 100644 --- a/src/util/vircommand.c +++ b/src/util/vircommand.c @@ -735,8 +735,7 @@ virExec(virCommand *cmd) childerr = null; } - if ((ngroups = virGetGroupList(cmd->uid, cmd->gid, &groups)) < 0) - goto cleanup; + ngroups = virGetGroupList(cmd->uid, cmd->gid, &groups); pid = virFork(); diff --git a/src/util/virfile.c b/src/util/virfile.c index f66ecd29a2..c4d22921ce 100644 --- a/src/util/virfile.c +++ b/src/util/virfile.c @@ -2285,8 +2285,6 @@ virFileAccessibleAs(const char *path, int mode, return access(path, mode); ngroups = virGetGroupList(uid, gid, &groups); - if (ngroups < 0) - return -1; pid = virFork(); @@ -2408,8 +2406,6 @@ virFileOpenForked(const char *path, * NFS servers. */ ngroups = virGetGroupList(uid, gid, &groups); - if (ngroups < 0) - return -errno; if (socketpair(AF_UNIX, SOCK_STREAM, 0, pair) < 0) { ret = -errno; @@ -2709,8 +2705,6 @@ virFileRemove(const char *path, gid = getegid(); ngroups = virGetGroupList(uid, gid, &groups); - if (ngroups < 0) - return -errno; pid = virFork(); @@ -2883,8 +2877,6 @@ virDirCreate(const char *path, gid = getegid(); ngroups = virGetGroupList(uid, gid, &groups); - if (ngroups < 0) - return -errno; pid = virFork(); diff --git a/src/util/virutil.c b/src/util/virutil.c index bd3bbe3f0d..dc5009f11d 100644 --- a/src/util/virutil.c +++ b/src/util/virutil.c @@ -880,14 +880,16 @@ VIR_WARNINGS_NO_POINTER_SIGN * storing a malloc'd result into @list. If uid is -1 or doesn't exist in the * system database querying of the supplementary groups is skipped. * - * Returns the size of the list on success, or -1 on failure with error - * reported and errno set. May not be called between fork and exec. + * Returns the size of the list. Doesn't have an error path. + * May not be called between fork and exec. * */ int -virGetGroupList(uid_t uid, gid_t gid, gid_t **list) +virGetGroupList(uid_t uid, + gid_t gid, + gid_t **list) { int ret = 0; - char *user = NULL; + g_autofree char *user = NULL; gid_t primary; *list = NULL; @@ -925,14 +927,12 @@ virGetGroupList(uid_t uid, gid_t gid, gid_t **list) for (i = 0; i < ret; i++) { if ((*list)[i] == gid) - goto cleanup; + return ret; } VIR_APPEND_ELEMENT(*list, i, gid); - ret = i; + return i; } - cleanup: - VIR_FREE(user); return ret; } diff --git a/tests/commandtest.c b/tests/commandtest.c index aa108ce583..08fbe1801a 100644 --- a/tests/commandtest.c +++ b/tests/commandtest.c @@ -908,9 +908,8 @@ static int test25(const void *unused G_GNUC_UNUSED) goto cleanup; } - if ((ngroups = virGetGroupList(virCommandGetUID(cmd), virCommandGetGID(cmd), - &groups)) < 0) - goto cleanup; + ngroups = virGetGroupList(virCommandGetUID(cmd), virCommandGetGID(cmd), + &groups); /* Now, fork and try to exec a nonexistent binary. */ pid = virFork(); diff --git a/tools/virt-login-shell-helper.c b/tools/virt-login-shell-helper.c index cb94c49720..1627ba85e5 100644 --- a/tools/virt-login-shell-helper.c +++ b/tools/virt-login-shell-helper.c @@ -260,8 +260,7 @@ main(int argc, char **argv) if (!(conf = virConfReadFile(login_shell_path, 0))) goto cleanup; - if ((ngroups = virGetGroupList(uid, gid, &groups)) < 0) - goto cleanup; + ngroups = virGetGroupList(uid, gid, &groups); if (virLoginShellAllowedUser(conf, name, groups, ngroups) < 0) goto cleanup; -- 2.45.1