dracut-install: sane default --kerneldir

[marcosfrm]

If --kerneldir is not specified, dracut-install will use kernel version (from uname -v) in the current directory (for example /root/#1 SMP PREEMPT Wed, 12 May 2021 17:54:18 +0000). Will never work...

If a patch like this is acceptable, I can make a PR:

diff --git a/src/install/dracut-install.c b/src/install/dracut-install.c
index 9f044ae0..3fd70fc8 100644
--- a/src/install/dracut-install.c
+++ b/src/install/dracut-install.c
@@ -1167,7 +1167,10 @@ static int parse_argv(int argc, char *argv[])
         if (!kerneldir) {
                 struct utsname buf;
                 uname(&buf);
-                kerneldir = strdup(buf.version);
+                if (asprintf(&kerneldir, "%s%s", "/lib/modules/", buf.release) < 0) {
+                        log_error("Out of memory!");
+                        exit(EXIT_FAILURE);
+                }
         }

         if (arg_modalias) {

The default will be /lib/modules/$(uname -r).

[haraldh]

Yes, open a PR :) Thanks!