Index: head/www/firefox/Makefile
===================================================================
--- head/www/firefox/Makefile	(revision 540399)
+++ head/www/firefox/Makefile	(revision 540400)
@@ -1,60 +1,61 @@
 # Created by: Alan Eldridge <alane@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	firefox
 DISTVERSION=	78.0
+PORTREVISION=	1
 PORTEPOCH=	1
 CATEGORIES=	www
 MASTER_SITES=	MOZILLA/${PORTNAME}/releases/${DISTVERSION}/source \
 		MOZILLA/${PORTNAME}/candidates/${DISTVERSION}-candidates/build1/source
 DISTFILES=	${DISTNAME}.source${EXTRACT_SUFX}
 
 MAINTAINER=	gecko@FreeBSD.org
 COMMENT=	Web browser based on the browser portion of Mozilla
 
 BUILD_DEPENDS=	nspr>=4.25:devel/nspr \
 		nss>=3.53.1:security/nss \
 		icu>=67.1,1:devel/icu \
 		libevent>=2.1.8:devel/libevent \
 		harfbuzz>=2.6.6:print/harfbuzz \
 		graphite2>=1.3.14:graphics/graphite2 \
 		png>=1.6.35:graphics/png \
 		libvpx>=1.8.2:multimedia/libvpx \
 		py${PYTHON3_DEFAULT:S/.//}-sqlite3>0:databases/py-sqlite3@py${PYTHON3_DEFAULT:S/.//} \
 		v4l_compat>0:multimedia/v4l_compat \
 		autoconf-2.13:devel/autoconf213 \
 		nasm:devel/nasm \
 		yasm:devel/yasm \
 		zip:archivers/zip
 
 USE_GECKO=	gecko
 CONFLICTS_INSTALL=	firefox-esr
 USE_MOZILLA=	-sqlite
 
 USES=		tar:xz
 
 FIREFOX_ICON=		${MOZILLA}.png
 FIREFOX_ICON_SRC=	${PREFIX}/lib/${MOZILLA}/browser/chrome/icons/default/default48.png
 FIREFOX_DESKTOP=	${MOZSRC}/taskcluster/docker/${MOZILLA}-snap/${MOZILLA}.desktop
 MOZ_OPTIONS=	--enable-application=browser \
 		--enable-official-branding
 
 .include "${.CURDIR}/../../www/firefox/Makefile.options"
 
 post-patch:
 	@${REINPLACE_CMD} -e 's/%u/%U/' -e '/X-MultipleArgs/d' \
 		-e '/^Icon/s/=.*/=${FIREFOX_ICON:R}/' \
 		${FIREFOX_DESKTOP}
 	@${REINPLACE_CMD} -e 's|%%LOCALBASE%%|${LOCALBASE}|g' \
 		${WRKSRC}/browser/app/nsBrowserApp.cpp
 
 pre-configure:
 	(cd ${WRKSRC} && ${LOCALBASE}/bin/autoconf-2.13)
 	(cd ${WRKSRC}/js/src/ && ${LOCALBASE}/bin/autoconf-2.13)
 
 post-install:
 	${INSTALL_DATA} ${FIREFOX_DESKTOP} ${STAGEDIR}${PREFIX}/share/applications/
 	${MKDIR} ${STAGEDIR}${PREFIX}/share/pixmaps
 	${LN} -sf ${FIREFOX_ICON_SRC} ${STAGEDIR}${PREFIX}/share/pixmaps/${FIREFOX_ICON}
 
 .include <bsd.port.mk>
Index: head/www/firefox/files/patch-bug1618914
===================================================================
--- head/www/firefox/files/patch-bug1618914	(revision 540399)
+++ head/www/firefox/files/patch-bug1618914	(revision 540400)
@@ -1,39 +1,41 @@
 [Wayland] Fall back to ftruncate if posix_fallocate isn't supported by filesystem.
 
 diff --git widget/gtk/WindowSurfaceWayland.cpp widget/gtk/WindowSurfaceWayland.cpp
 index 9a73326399bd5..9e42a7f1c5d18 100644
 --- widget/gtk/WindowSurfaceWayland.cpp
 +++ widget/gtk/WindowSurfaceWayland.cpp
-@@ -222,19 +222,20 @@ static int WaylandAllocateShmMemory(int aSize) {
+@@ -222,20 +222,21 @@ static int WaylandAllocateShmMemory(int aSize) {
+ #ifdef HAVE_POSIX_FALLOCATE
    do {
      ret = posix_fallocate(fd, 0, aSize);
    } while (ret == EINTR);
 -  if (ret != 0) {
 +  if (ret == 0) {
 +    return fd;
-+  } else if (ret != EINVAL && ret != EOPNOTSUPP) {
++  } else if (ret != ENODEV && ret != EINVAL && ret != EOPNOTSUPP) {
      close(fd);
      MOZ_CRASH("posix_fallocate() fails to allocate shm memory");
    }
 -#else
 +#endif
    do {
      ret = ftruncate(fd, aSize);
    } while (ret < 0 && errno == EINTR);
    if (ret < 0) {
      close(fd);
      MOZ_CRASH("ftruncate() fails to allocate shm memory");
    }
 -#endif
  
    return fd;
  }
-@@ -265,7 +266,7 @@ bool WaylandShmPool::Resize(int aSize) {
+@@ -265,8 +266,8 @@ bool WaylandShmPool::Resize(int aSize) {
+ #ifdef HAVE_POSIX_FALLOCATE
    do {
      errno = posix_fallocate(mShmPoolFd, 0, aSize);
    } while (errno == EINTR);
 -  if (errno != 0) return false;
-+  if (errno != 0 && errno != EINVAL && errno != EOPNOTSUPP) return false;
++  if (errno != 0 && errno != ENODEV && errno != EINVAL && errno != EOPNOTSUPP) return false;
  #endif
  
    wl_shm_pool_resize(mShmPool, aSize);