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cgroup: FOREACH_LINE excorcism

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This commit is contained in:
Lennart Poettering 2018-10-18 16:09:53 +02:00
parent 8d2b9d14c4
commit c66e60a838
1 changed files with 7 additions and 6 deletions
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13
src/core/cgroup.c
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@ -441,7 +441,6 @@ static int whitelist_device(BPFProgram *prog, const char *path, const char *node
static int whitelist_major(BPFProgram *prog, const char *path, const char *name, char type, const char *acc) {
_cleanup_fclose_ FILE *f = NULL;
char line[LINE_MAX];
char *p, *w;
bool good = false;
int r;
@ -454,10 +453,15 @@ static int whitelist_major(BPFProgram *prog, const char *path, const char *name,
if (!f)
return log_warning_errno(errno, "Cannot open /proc/devices to resolve %s (%c): %m", name, type);
FOREACH_LINE(line, f, goto fail) {
for (;;) {
_cleanup_free_ char *line = NULL;
unsigned maj;
truncate_nl(line);
r = read_line(f, LONG_LINE_MAX, &line);
if (r < 0)
return log_warning_errno(r, "Failed to read /proc/devices: %m");
if (r == 0)
break;
if (type == 'c' && streq(line, "Character devices:")) {
good = true;
@ -520,9 +524,6 @@ static int whitelist_major(BPFProgram *prog, const char *path, const char *name,
}
return 0;
fail:
return log_warning_errno(errno, "Failed to read /proc/devices: %m");
}
static bool cgroup_context_has_cpu_weight(CGroupContext *c) {