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namespace: use stack allocation for paths, where we can

This commit is contained in:
Lennart Poettering 2018-01-23 19:36:36 +01:00
parent 8a44b0b849
commit 6f7f3a3351
1 changed files with 2 additions and 5 deletions
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7
src/core/namespace.c
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@ -497,7 +497,7 @@ static void drop_outside_root(const char *root_directory, MountEntry *m, unsigne
}
static int clone_device_node(const char *d, const char *temporary_mount) {
_cleanup_free_ char *dn = NULL;
const char *dn;
struct stat st;
int r;
@ -514,14 +514,11 @@ static int clone_device_node(const char *d, const char *temporary_mount) {
if (st.st_rdev == 0)
return 0;
dn = strappend(temporary_mount, d);
if (!dn)
return -ENOMEM;
dn = strjoina(temporary_mount, d);
mac_selinux_create_file_prepare(d, st.st_mode);
r = mknod(dn, st.st_mode, st.st_rdev);
mac_selinux_create_file_clear();
if (r < 0)
return log_debug_errno(errno, "mknod failed for %s: %m", d);