[PATCH] Strip quotes from kernel parameters

From: Rusty Russell <rusty@rustcorp.com.au>

Agustin Martin <agmartin@debian.org> pointed out that this doesn't work:

	options ide-mod options="ide=nodma hdc=cdrom"

The quotes are understood by kernel/params.c (ie.  it skips over spaces
inside them), but are not stripped before handing to the underlying
function.  They should be.

kernel/params.c

@@ -96,6 +96,13 @@ static char *next_arg(char *args, char **param, char **val)
 	else {
 		args[equals] = '\0';
 		*val = args + equals + 1;
+
+		/* Don't include quotes in value. */
+		if (**val == '"') {
+			(*val)++;
+			if (args[i-1] == '"')
+				args[i-1] = '\0';
+		}
 	}
 
 	if (args[i]) {