treewide: sanitize loop_write

[elogind.git] / src / random-seed / random-seed.c

diff --git a/src/random-seed/random-seed.c b/src/random-seed/random-seed.c
index 40eaaf46d90fed860e3faf1ec9fbb3167cf8adeb..06c12396017843629ffcc100586f9122f9f3bd93 100644 (file)
--- a/src/random-seed/random-seed.c
+++ b/src/random-seed/random-seed.c
@@ -113,12 +113,9 @@ int main(int argc, char *argv[]) {
                 } else {
                         lseek(seed_fd, 0, SEEK_SET);
 
-                        k = loop_write(random_fd, buf, (size_t) k, false);
-                        if (k <= 0) {
-                                log_error("Failed to write seed to /dev/urandom: %s", r < 0 ? strerror(-r) : "short write");
-
-                                r = k == 0 ? -EIO : (int) k;
-                        }
+                        r = loop_write(random_fd, buf, (size_t) k, false);
+                        if (r < 0)
+                                log_error_errno(r, "Failed to write seed to /dev/urandom: %m");
                 }
 
         } else if (streq(argv[1], "save")) {
@@ -155,10 +152,8 @@ int main(int argc, char *argv[]) {
                 r = k == 0 ? -EIO : (int) k;
         } else {
                 r = loop_write(seed_fd, buf, (size_t) k, false);
-                if (r <= 0) {
-                        log_error("Failed to write new random seed file: %s", r < 0 ? strerror(-r) : "short write");
-                        r = r == 0 ? -EIO : r;
-                }
+                if (r < 0)
+                        log_error_errno(r, "Failed to write new random seed file: %m");
         }
 
 finish: