1 files changed, 2 insertions, 2 deletions

diff --git a/arch/um/os-Linux/umid.c b/arch/um/os-Linux/umid.c
index 34bfc1bb9e38..362db059fe30 100644
--- a/arch/um/os-Linux/umid.c
+++ b/arch/um/os-Linux/umid.c
@@ -178,14 +178,14 @@ static void __init create_pid_file(void)
         fd = open(file, O_RDWR | O_CREAT | O_EXCL, 0644);
         if(fd < 0){
                 printk("Open of machine pid file \"%s\" failed: %s\n",
-                       file, strerror(-fd));
+                       file, strerror(errno));
                 return;
         }
 
         snprintf(pid, sizeof(pid), "%d\n", getpid());
         n = write(fd, pid, strlen(pid));
         if(n != strlen(pid))
-                printk("Write of pid file failed - err = %d\n", -n);
+                printk("Write of pid file failed - err = %d\n", errno);
 
         close(fd);
 }