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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-10-30 06:40:39 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-10-30 06:40:39 -0400
commitcbfff98a623df8d4e7c02d63d6448220cf0aec7c (patch)
tree1a02766ada2b9be9745d6028f80a801eff5b358a /fs/exec.c
parentb65fba3d87216bfe6ae9bc77be5eb6eabb6514a4 (diff)
parenta909d3e636995ba7c349e2ca5dbb528154d4ac30 (diff)
Merge 4.9-rc3 into usb-next
We want the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/exec.c')
-rw-r--r--fs/exec.c9
1 files changed, 7 insertions, 2 deletions
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;