X-Git-Url: http://git.cascardo.info/?a=blobdiff_plain;f=fs%2Fexec.c;h=4e497b9ee71ee96d0647721e4649feff7adaf7c1;hb=965c4b7e1adacd8fd9c5f3db6f64c3ba834ef6a0;hp=6fcfb3f7b137951b133d3db95431c23bc2d4677f;hpb=f735aa279021149ef600febe07333ad218783d79;p=cascardo%2Flinux.git

diff --git a/fs/exec.c b/fs/exec.c
index 6fcfb3f7b137..4e497b9ee71e 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -191,6 +191,7 @@ static struct page *get_arg_page(struct linux_binprm *bprm, unsigned long pos,
 {
 	struct page *page;
 	int ret;
+	unsigned int gup_flags = FOLL_FORCE;
 
 #ifdef CONFIG_STACK_GROWSUP
 	if (write) {
@@ -199,12 +200,16 @@ static struct page *get_arg_page(struct linux_binprm *bprm, unsigned long pos,
 			return NULL;
 	}
 #endif
+
+	if (write)
+		gup_flags |= FOLL_WRITE;
+
 	/*
 	 * We are doing an exec().  'current' is the process
 	 * doing the exec and bprm->mm is the new process's mm.
 	 */
-	ret = get_user_pages_remote(current, bprm->mm, pos, 1, write,
-			1, &page, NULL);
+	ret = get_user_pages_remote(current, bprm->mm, pos, 1, gup_flags,
+			&page, NULL);
 	if (ret <= 0)
 		return NULL;