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authorLennart Poettering <lennart@poettering.net>2015-07-29 20:31:07 +0200
committerLennart Poettering <lennart@poettering.net>2015-07-29 20:31:07 +0200
commitdacd6cee76a08331b8c8616c5f30f70ee49aa2f9 (patch)
tree7a7d73f2ac1f909255361781ca923365b6c9b7c3 /src/machine
parent8388607b5851574e50a6e65db98135b793b08910 (diff)
tree-wide: port everything over to fflush_and_check()
Some places invoked fflush() directly with their own manual error checking, let's unify all that by using fflush_and_check(). This also unifies the general error paths of fflush()+rename() file writers.
Diffstat (limited to 'src/machine')
-rw-r--r--src/machine/machine.c32
1 files changed, 15 insertions, 17 deletions
diff --git a/src/machine/machine.c b/src/machine/machine.c
index 05fc4f849f..ab26803683 100644
--- a/src/machine/machine.c
+++ b/src/machine/machine.c
@@ -112,13 +112,13 @@ int machine_save(Machine *m) {
r = mkdir_safe_label("/run/systemd/machines", 0755, 0, 0);
if (r < 0)
- goto finish;
+ goto fail;
r = fopen_temporary(m->state_file, &f, &temp_path);
if (r < 0)
- goto finish;
+ goto fail;
- fchmod(fileno(f), 0644);
+ (void) fchmod(fileno(f), 0644);
fprintf(f,
"# This is private data. Do not parse.\n"
@@ -131,7 +131,7 @@ int machine_save(Machine *m) {
escaped = cescape(m->unit);
if (!escaped) {
r = -ENOMEM;
- goto finish;
+ goto fail;
}
fprintf(f, "SCOPE=%s\n", escaped); /* We continue to call this "SCOPE=" because it is internal only, and we want to stay compatible with old files */
@@ -146,7 +146,7 @@ int machine_save(Machine *m) {
escaped = cescape(m->service);
if (!escaped) {
r = -ENOMEM;
- goto finish;
+ goto fail;
}
fprintf(f, "SERVICE=%s\n", escaped);
}
@@ -157,7 +157,7 @@ int machine_save(Machine *m) {
escaped = cescape(m->root_directory);
if (!escaped) {
r = -ENOMEM;
- goto finish;
+ goto fail;
}
fprintf(f, "ROOT=%s\n", escaped);
}
@@ -195,16 +195,13 @@ int machine_save(Machine *m) {
r = fflush_and_check(f);
if (r < 0)
- goto finish;
+ goto fail;
if (rename(temp_path, m->state_file) < 0) {
r = -errno;
- goto finish;
+ goto fail;
}
- free(temp_path);
- temp_path = NULL;
-
if (m->unit) {
char *sl;
@@ -215,14 +212,15 @@ int machine_save(Machine *m) {
(void) symlink(m->name, sl);
}
-finish:
- if (temp_path)
- unlink(temp_path);
+ return 0;
- if (r < 0)
- log_error_errno(r, "Failed to save machine data %s: %m", m->state_file);
+fail:
+ (void) unlink(m->state_file);
- return r;
+ if (temp_path)
+ (void) unlink(temp_path);
+
+ return log_error_errno(r, "Failed to save machine data %s: %m", m->state_file);
}
static void machine_unlink(Machine *m) {