diff options
| author | Yuriy M. Kaminskiy | 2016-02-27 17:14:44 +0100 |
|---|---|---|
| committer | Karel Zak | 2016-03-07 15:11:06 +0100 |
| commit | ff27b20f3ce74043d512522f28af59050c25541b (patch) | |
| tree | f70a4278cf80b90e1827190f9124fdc1c2bebc54 | |
| parent | lscpu: fix backward buffer size adjustment after adding delimiter (diff) | |
| download | kernel-qcow2-util-linux-ff27b20f3ce74043d512522f28af59050c25541b.tar.gz kernel-qcow2-util-linux-ff27b20f3ce74043d512522f28af59050c25541b.tar.xz kernel-qcow2-util-linux-ff27b20f3ce74043d512522f28af59050c25541b.zip | |
lsns.c: fix error return
If non-negative value returned, errno could be unset (especially 0).
Signed-off-by: Karel Zak <kzak@redhat.com>
| -rw-r--r-- | lib/sysfs.c | 2 | ||||
| -rw-r--r-- | sys-utils/lsns.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/lib/sysfs.c b/lib/sysfs.c index 53aba3af9..9d7614880 100644 --- a/lib/sysfs.c +++ b/lib/sysfs.c @@ -464,7 +464,7 @@ int sysfs_write_u64(struct sysfs_cxt *cxt, const char *attr, uint64_t num) len = snprintf(buf, sizeof(buf), "%" PRIu64, num); if (len < 0 || (size_t) len + 1 > sizeof(buf)) - rc = -errno; + rc = len < 0 ? -errno : -E2BIG; else rc = write_all(fd, buf, len); diff --git a/sys-utils/lsns.c b/sys-utils/lsns.c index 71ae3f99e..83b07f5a8 100644 --- a/sys-utils/lsns.c +++ b/sys-utils/lsns.c @@ -255,7 +255,7 @@ static int read_process(struct lsns *ls, pid_t pid) } rc = fscanf(f, "%d %*s %c %d*[^\n]", &p->pid, &p->state, &p->ppid); if (rc != 3) { - rc = -errno; + rc = rc < 0 ? -errno : -EINVAL; goto done; } rc = 0; |