bugfix of error handling while open()

The normal return value from open() is a non-negative integer.
In the case of an error, a value of -1 is returned instead.

Signed-off-by: Thomas Huehn <thomas@net.t-labs.tu-berlin.de>

diff --git a/debug.c b/debug.c
index 7d7798b..91e874f 100644 (file)
--- a/debug.c
+++ b/debug.c
@@ -29,7 +29,7 @@ void debug_init(void)
        regex_t pat_cmdline;
        regmatch_t matches[2];
 
-       if (!fd)
+       if (fd < 0)
                return;
 
        r = read(fd, line, sizeof(line) - 1);

diff --git a/inittab.c b/inittab.c
index 686d389..d73e0b8 100644 (file)
--- a/inittab.c
+++ b/inittab.c
@@ -139,7 +139,7 @@ static void askconsole(struct init_action *a)
        regex_t pat_cmdline;
        regmatch_t matches[2];
 
-       if (!fd)
+       if (fd < 0)
                return;
 
        r = read(fd, line, sizeof(line) - 1);