kbuild: add support for reading stdin with gen_init_cpio

[cascardo/linux.git] / usr / gen_init_cpio.c

diff --git a/usr/gen_init_cpio.c b/usr/gen_init_cpio.c
index 8365db6..7abc07f 100644 (file)
--- a/usr/gen_init_cpio.c
+++ b/usr/gen_init_cpio.c
@@ -498,7 +498,9 @@ int main (int argc, char *argv[])
                exit(1);
        }
 
-       if (! (cpio_list = fopen(argv[1], "r"))) {
+       if (!strcmp(argv[1], "-"))
+               cpio_list = stdin;
+       else if (! (cpio_list = fopen(argv[1], "r"))) {
                fprintf(stderr, "ERROR: unable to open '%s': %s\n\n",
                        argv[1], strerror(errno));
                usage(argv[0]);