From a530427e4eaf7ca69f223a86173ec37c282a34f9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
Date: Sat, 13 May 2017 11:24:37 -0400
Subject: [PATCH] tree-wide: fix incorrect uses of %m

In those cases errno was not set, so we would be logging some unrelated error
or "Success".

(cherry picked from commit 35bca925f9bf78df3f64e321ab4830936fcef662)
---
 src/import/import-raw.c                  | 4 ++--
 src/import/import-tar.c                  | 4 ++--
 src/libsystemd/sd-bus/test-bus-objects.c | 2 --
 src/nspawn/nspawn.c                      | 2 +-
 src/stdio-bridge/stdio-bridge.c          | 4 ++--
 src/test/test-loopback.c                 | 2 +-
 6 files changed, 8 insertions(+), 10 deletions(-)

diff --git a/src/import/import-raw.c b/src/import/import-raw.c
index 808eae38f8..55cf8e8edd 100644
--- a/src/import/import-raw.c
+++ b/src/import/import-raw.c
@@ -355,7 +355,7 @@ static int raw_import_process(RawImport *i) {
         }
         if (l == 0) {
                 if (i->compress.type == IMPORT_COMPRESS_UNKNOWN) {
-                        log_error("Premature end of file: %m");
+                        log_error("Premature end of file.");
                         r = -EIO;
                         goto finish;
                 }
@@ -369,7 +369,7 @@ static int raw_import_process(RawImport *i) {
         if (i->compress.type == IMPORT_COMPRESS_UNKNOWN) {
                 r = import_uncompress_detect(&i->compress, i->buffer, i->buffer_size);
                 if (r < 0) {
-                        log_error("Failed to detect file compression: %m");
+                        log_error_errno(r, "Failed to detect file compression: %m");
                         goto finish;
                 }
                 if (r == 0) /* Need more data */
diff --git a/src/import/import-tar.c b/src/import/import-tar.c
index 1c229ec82f..ba140bccbd 100644
--- a/src/import/import-tar.c
+++ b/src/import/import-tar.c
@@ -284,7 +284,7 @@ static int tar_import_process(TarImport *i) {
         }
         if (l == 0) {
                 if (i->compress.type == IMPORT_COMPRESS_UNKNOWN) {
-                        log_error("Premature end of file: %m");
+                        log_error("Premature end of file.");
                         r = -EIO;
                         goto finish;
                 }
@@ -298,7 +298,7 @@ static int tar_import_process(TarImport *i) {
         if (i->compress.type == IMPORT_COMPRESS_UNKNOWN) {
                 r = import_uncompress_detect(&i->compress, i->buffer, i->buffer_size);
                 if (r < 0) {
-                        log_error("Failed to detect file compression: %m");
+                        log_error_errno(r, "Failed to detect file compression: %m");
                         goto finish;
                 }
                 if (r == 0) /* Need more data */
diff --git a/src/libsystemd/sd-bus/test-bus-objects.c b/src/libsystemd/sd-bus/test-bus-objects.c
index 233a21a523..0b33ab7a3a 100644
--- a/src/libsystemd/sd-bus/test-bus-objects.c
+++ b/src/libsystemd/sd-bus/test-bus-objects.c
@@ -525,8 +525,6 @@ int main(int argc, char *argv[]) {
         void *p;
         int r, q;
 
-        zero(c);
-
         c.automatic_integer_property = 4711;
         assert_se(c.automatic_string_property = strdup("dudeldu"));
 
diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c
index 1fc0501c2e..236c0f3149 100644
--- a/src/nspawn/nspawn.c
+++ b/src/nspawn/nspawn.c
@@ -2012,7 +2012,7 @@ static int determine_names(void) {
                         if (r < 0)
                                 return log_error_errno(r, "Failed to find image for machine '%s': %m", arg_machine);
                         if (r == 0) {
-                                log_error("No image for machine '%s': %m", arg_machine);
+                                log_error("No image for machine '%s'.", arg_machine);
                                 return -ENOENT;
                         }
 
diff --git a/src/stdio-bridge/stdio-bridge.c b/src/stdio-bridge/stdio-bridge.c
index ce8efce3d5..02ba5269dd 100644
--- a/src/stdio-bridge/stdio-bridge.c
+++ b/src/stdio-bridge/stdio-bridge.c
@@ -115,7 +115,7 @@ int main(int argc, char *argv[]) {
                 in_fd = SD_LISTEN_FDS_START;
                 out_fd = SD_LISTEN_FDS_START;
         } else {
-                log_error("Illegal number of file descriptors passed\n");
+                log_error("Illegal number of file descriptors passed.");
                 goto finish;
         }
 
@@ -190,7 +190,7 @@ int main(int argc, char *argv[]) {
         }
 
         for (;;) {
-                _cleanup_(sd_bus_message_unrefp)sd_bus_message *m = NULL;
+                _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
                 int events_a, events_b, fd;
                 uint64_t timeout_a, timeout_b, t;
                 struct timespec _ts, *ts;
diff --git a/src/test/test-loopback.c b/src/test/test-loopback.c
index 7b67337331..8ebd0e0e01 100644
--- a/src/test/test-loopback.c
+++ b/src/test/test-loopback.c
@@ -31,7 +31,7 @@ int main(int argc, char* argv[]) {
 
         r = loopback_setup();
         if (r < 0)
-                log_error("loopback: %m");
+                log_error_errno(r, "loopback: %m");
 
         return r >= 0 ? EXIT_SUCCESS : EXIT_FAILURE;
 }