parisc: Zero-initialize newly alloced memblock

Commit 4fe9e1d957e4 ("parisc: Drop bootmem and switch to memblock")
switched to the memblock allocator, but missed to zero-initialize the
newly allocated memblocks. This lead to crashes on some machines like
the rp3410.

Fixes: 4fe9e1d957e4 ("parisc: Drop bootmem and switch to memblock")
Signed-off-by: Helge Deller <deller@gmx.de>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
index 356f38473b5d..e02ada312be8 100644
--- a/arch/parisc/mm/init.c
+++ b/arch/parisc/mm/init.c
@@ -105,6 +105,8 @@ static void * __init get_memblock(unsigned long size)
         else
                 panic("get_memblock() failed.\n");
 
+        memset(__va(phys), 0, size);
+
         return __va(phys);
 }