Merge pull request #19036 from mrc0mmand/cocci-fixes

tree-wide: coccinelle fixes

coccinelle/flags-set.cocci

@@ -8,7 +8,8 @@ position p : script:python() {
                  p[0].current_element == "log_set_max_level_realm" or
                  p[0].current_element == "unichar_is_valid")
         };
-expression x, y;
+expression x;
+constant y;
 @@
 (
 - ((x@p) & (y)) == (y)

coccinelle/run-coccinelle.sh

@@ -7,6 +7,7 @@ EXCLUDED_PATHS=(
     "src/basic/linux/*"
     # Symlinked to test-bus-vtable-cc.cc, which causes issues with the IN_SET macro
     "src/libsystemd/sd-bus/test-bus-vtable.c"
+    "src/libsystemd/sd-journal/lookup3.c"
 )
 
 top="$(git rev-parse --show-toplevel)"

coccinelle/strjoina.cocci

@@ -1,6 +1,7 @@
 @@
+position p : script:python() { p[0].current_element != "test_strjoina" };
 expression n, m;
 expression list s;
 @@
-- n = strjoina(m, s, NULL);
+- n = strjoina@p(m, s, NULL);
 + n = strjoina(m, s);

src/basic/fs-util.h

@@ -11,6 +11,7 @@
 #include <sys/types.h>
 #include <unistd.h>
 
+#include "alloc-util.h"
 #include "errno-util.h"
 #include "time-util.h"
 
@@ -107,8 +108,7 @@ static inline char *rmdir_and_free(char *p) {
                 return NULL;
 
         (void) rmdir(p);
-        free(p);
-        return NULL;
+        return mfree(p);
 }
 DEFINE_TRIVIAL_CLEANUP_FUNC(char*, rmdir_and_free);
 
@@ -117,8 +117,7 @@ static inline char* unlink_and_free(char *p) {
                 return NULL;
 
         (void) unlink_noerrno(p);
-        free(p);
-        return NULL;
+        return mfree(p);
 }
 DEFINE_TRIVIAL_CLEANUP_FUNC(char*, unlink_and_free);
 

src/basic/rm-rf.h

@@ -3,6 +3,7 @@
 
 #include <sys/stat.h>
 
+#include "alloc-util.h"
 #include "errno-util.h"
 
 typedef enum RemoveFlags {
@@ -25,8 +26,7 @@ static inline char *rm_rf_physical_and_free(char *p) {
                 return NULL;
 
         (void) rm_rf(p, REMOVE_ROOT|REMOVE_PHYSICAL|REMOVE_MISSING_OK|REMOVE_CHMOD);
-        free(p);
-        return NULL;
+        return mfree(p);
 }
 DEFINE_TRIVIAL_CLEANUP_FUNC(char*, rm_rf_physical_and_free);
 
@@ -38,7 +38,6 @@ static inline char *rm_rf_subvolume_and_free(char *p) {
                 return NULL;
 
         (void) rm_rf(p, REMOVE_ROOT|REMOVE_PHYSICAL|REMOVE_SUBVOLUME|REMOVE_MISSING_OK|REMOVE_CHMOD);
-        free(p);
-        return NULL;
+        return mfree(p);
 }
 DEFINE_TRIVIAL_CLEANUP_FUNC(char*, rm_rf_subvolume_and_free);

src/core/namespace.c

@@ -2051,13 +2051,12 @@ int setup_namespace(
                         };
                 }
 
-                if (ns_info->private_ipc) {
+                if (ns_info->private_ipc)
                         *(m++) = (MountEntry) {
                                 .path_const = "/dev/mqueue",
                                 .mode = MQUEUEFS,
                                 .flags = MS_NOSUID | MS_NODEV | MS_NOEXEC | MS_RELATIME,
                         };
-                }
 
                 if (creds_path) {
                         /* If our service has a credentials store configured, then bind that one in, but hide
@@ -2150,11 +2149,10 @@ int setup_namespace(
         if (setup_propagate)
                 (void) mkdir_p(propagate_dir, 0600);
 
-        if (n_extension_images > 0) {
+        if (n_extension_images > 0)
                 /* ExtensionImages mountpoint directories will be created
                  * while parsing the mounts to create, so have the parent ready */
                 (void) mkdir_p(extension_dir, 0600);
-        }
 
         /* Remount / as SLAVE so that nothing now mounted in the namespace
          * shows up in the parent */

src/network/netdev/batadv.c

@@ -84,11 +84,10 @@ int config_parse_badadv_bandwidth (
                 return 0;
         }
 
-        if (k/1000/100 > UINT32_MAX) {
+        if (k/1000/100 > UINT32_MAX)
                 log_syntax(unit, LOG_WARNING, filename, line, 0,
                            "The value of '%s=', is outside of 0...429496729500000 range: %s",
                            lvalue, rvalue);
-        }
 
         *bandwidth = k/1000/100;
 

src/test/test-copy.c

@@ -317,7 +317,7 @@ static void test_copy_proc(void) {
         assert_se(read_one_line_file("/proc/version", &a) >= 0);
         assert_se(read_one_line_file(f, &b) >= 0);
         assert_se(streq(a, b));
-        assert_se(strlen(a) > 0);
+        assert_se(!isempty(a));
 }
 
 int main(int argc, char *argv[]) {

src/veritysetup/veritysetup-generator.c

@@ -86,7 +86,7 @@ static int create_device(void) {
         if (r < 0)
                 return log_error_errno(r, "Failed to generate unit name: %m");
 
-        options_escaped = specifier_escape(arg_options ?: "");
+        options_escaped = specifier_escape(strempty(arg_options));
         if (!options_escaped)
                 return log_oom();