[src/trunk]: src/sys/external/bsd/drm/dist/bsd-core initialize "addr" before ...

[chs <chs%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/d4382552e854
branches:  trunk
changeset: 335508:d4382552e854
user:      chs <chs%NetBSD.org@localhost>
date:      Sat Jan 10 23:34:49 2015 +0000

description:
initialize "addr" before passing its address to uvm_mmap_dev().
from Onno van der Linden in PR 49536.

diffstat:

 sys/external/bsd/drm/dist/bsd-core/drm_bufs.c |  1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diffs (11 lines):

diff -r c8b8101cf9c8 -r d4382552e854 sys/external/bsd/drm/dist/bsd-core/drm_bufs.c
--- a/sys/external/bsd/drm/dist/bsd-core/drm_bufs.c     Sat Jan 10 23:17:03 2015 +0000
+++ b/sys/external/bsd/drm/dist/bsd-core/drm_bufs.c     Sat Jan 10 23:34:49 2015 +0000
@@ -1122,6 +1122,7 @@
 #elif   defined(__NetBSD__)
        /* XXXNETBSD */
        rsize = round_page(size);
+       addr = NULL;
        retcode = uvm_mmap_dev(curproc, &addr, rsize, dev->kdev, foff);
        vaddr = (vaddr_t)addr;
        DRM_DEBUG("mmap %#lx/%#lx foff %#llx\n", vaddr, rsize, (long long)foff);