um: remove unused variable

The variable dead is initialized but never used otherwise.

Signed-off-by: Haowen Bai <baihaowen@meizu.com>
Signed-off-by: Richard Weinberger <richard@nod.at>

diff --git a/arch/um/os-Linux/umid.c b/arch/um/os-Linux/umid.c
index a3dd61521d240d4370851954358dfc56ab618753..7a1abb829930763056fe76af4760db373a7921a3 100644 (file)
--- a/arch/um/os-Linux/umid.c
+++ b/arch/um/os-Linux/umid.c
@@ -136,7 +136,7 @@ out:
 static inline int is_umdir_used(char *dir)
 {
        char pid[sizeof("nnnnnnnnn")], *end, *file;
-       int dead, fd, p, n, err;
+       int fd, p, n, err;
        size_t filelen = strlen(dir) + sizeof("/pid") + 1;
 
        file = malloc(filelen);
@@ -145,7 +145,6 @@ static inline int is_umdir_used(char *dir)
 
        snprintf(file, filelen, "%s/pid", dir);
 
-       dead = 0;
        fd = open(file, O_RDONLY);
        if (fd < 0) {
                fd = -errno;