Always use errno > 0 to help gcc

[elogind.git] / src / readahead / sd-readahead.c

diff --git a/src/readahead/sd-readahead.c b/src/readahead/sd-readahead.c
index a3340666dd7326f3bcd8e0f713c563867c474d7d..4a096eed427779c3b326c3bef08daa903d5dc419 100644 (file)
--- a/src/readahead/sd-readahead.c
+++ b/src/readahead/sd-readahead.c
@@ -25,7 +25,7 @@
 ***/
 
 #ifndef _GNU_SOURCE
-#define _GNU_SOURCE
+#  define _GNU_SOURCE
 #endif
 
 #include <unistd.h>
@@ -38,15 +38,15 @@
 #include "sd-readahead.h"
 
 #if (__GNUC__ >= 4)
-#ifdef SD_EXPORT_SYMBOLS
+#  ifdef SD_EXPORT_SYMBOLS
 /* Export symbols */
-#define _sd_export_ __attribute__ ((visibility("default")))
-#else
+#    define _sd_export_ __attribute__ ((visibility("default")))
+#  else
 /* Don't export the symbols */
-#define _sd_export_ __attribute__ ((visibility("hidden")))
-#endif
+#    define _sd_export_ __attribute__ ((visibility("hidden")))
+#  endif
 #else
-#define _sd_export_
+#  define _sd_export_
 #endif
 
 static int touch(const char *path) {
@@ -57,7 +57,8 @@ static int touch(const char *path) {
         mkdir("/run/systemd", 0755);
         mkdir("/run/systemd/readahead", 0755);
 
-        if ((fd = open(path, O_WRONLY|O_CREAT|O_CLOEXEC|O_NOCTTY, 0666)) < 0)
+        fd = open(path, O_WRONLY|O_CREAT|O_CLOEXEC|O_NOCTTY, 0666);
+        if (fd < 0)
                 return -errno;
 
         for (;;) {