virRandomBytes: Prefer saferead over plain read

Signed-off-by: N Michal Privoznik <mprivozn@redhat.com>

virRandomBytes: Prefer saferead over plain read
Signed-off-by: N Michal Privoznik <mprivozn@redhat.com>
a6be5a4c · Michal Privoznik · c3320d65 · a6be5a4c
隐藏空白更改
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Showing with 1 addition and 3 deletion

src/util/virrandom.c src/util/virrandom.c +1 -3

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--- a/src/util/virrandom.c
+++ b/src/util/virrandom.c
@@ -182,9 +182,7 @@ virRandomBytes(unsigned char *buf,
    while (buflen > 0) {
        ssize_t n;

-        if ((n = read(fd, buf, buflen)) <= 0) {
-            if (errno == EINTR)
-                continue;
+        if ((n = saferead(fd, buf, buflen)) <= 0) {
            VIR_FORCE_CLOSE(fd);
            return n < 0 ? -errno : -ENODATA;
        }