[Xen-devel] [PATCH] kexec: suppress bogus warning

["Jan Beulich" <JBeulich@xxxxxxxx>]

Don't emit the "ignored" warning when there's no placement specification
and the tail of the specified option is actually empty.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

--- a/xen/common/kexec.c
+++ b/xen/common/kexec.c
@@ -173,7 +173,7 @@ static int __init parse_crashkernel(cons
             kexec_crash_area_limit = parse_size_and_unit(cur = str + 1, &str);
         else if ( !strncmp(str, ",below=", 7) )
             kexec_crash_area_limit = parse_size_and_unit(cur = str + 7, &str);
-        else
+        else if ( *str )
         {
             printk(XENLOG_WARNING "crashkernel: '%s' ignored\n", str);
             rc = -EINVAL;



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