powerpc/fadump: Fix build break when CONFIG_PROC_VMCORE=n

The fadump code calls vmcore_cleanup() which only exists if
CONFIG_PROC_VMCORE=y. We don't want to depend on CONFIG_PROC_VMCORE,
because it's user selectable, so just wrap the call in an #ifdef.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

diff --git a/arch/powerpc/kernel/fadump.c b/arch/powerpc/kernel/fadump.c
index 624ddcf728e02ab031ffbb029d4bd78c6bf8e15b..963918e0974a91c9487ce373fd6787b5b2643bf5 100644 (file)
--- a/arch/powerpc/kernel/fadump.c
+++ b/arch/powerpc/kernel/fadump.c
@@ -1108,7 +1108,9 @@ static ssize_t fadump_release_memory_store(struct kobject *kobj,
                 * Take away the '/proc/vmcore'. We are releasing the dump
                 * memory, hence it will not be valid anymore.
                 */
+#ifdef CONFIG_PROC_VMCORE
                vmcore_cleanup();
+#endif
                fadump_invalidate_release_mem();
 
        } else