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authorAl Viro <viro@zeniv.linux.org.uk>2017-11-28 19:43:33 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2017-11-28 19:43:33 -0500
commitbec1a502d34dcd4d4350a4d9c14fe07561c9516d (patch)
treebe88771d1354ff8c01871b2f7d596e6b918b5bcd /fs/eventpoll.c
parentfcc5a652a51332d5e6582697bd847b082a6b4e40 (diff)
downloadlinux-bec1a502d34dcd4d4350a4d9c14fe07561c9516d.tar.bz2
eventpoll: constify struct epoll_event pointers
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/eventpoll.c')
-rw-r--r--fs/eventpoll.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index 67fb3b850c99..92f6c30a1dbb 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -874,7 +874,8 @@ static void ep_ptable_queue_proc(struct file *file, wait_queue_head_t *whead,
* the ep->mtx so we need to start from depth=1, such that mutex_lock_nested()
* is correctly annotated.
*/
-static unsigned int ep_item_poll(struct epitem *epi, poll_table *pt, int depth)
+static unsigned int ep_item_poll(const struct epitem *epi, poll_table *pt,
+ int depth)
{
struct eventpoll *ep;
bool locked;
@@ -1410,7 +1411,7 @@ static noinline void ep_destroy_wakeup_source(struct epitem *epi)
/*
* Must be called with "mtx" held.
*/
-static int ep_insert(struct eventpoll *ep, struct epoll_event *event,
+static int ep_insert(struct eventpoll *ep, const struct epoll_event *event,
struct file *tfile, int fd, int full_check)
{
int error, revents, pwake = 0;
@@ -1541,7 +1542,8 @@ error_create_wakeup_source:
* Modify the interest event mask by dropping an event if the new mask
* has a match in the current file status. Must be called with "mtx" held.
*/
-static int ep_modify(struct eventpoll *ep, struct epitem *epi, struct epoll_event *event)
+static int ep_modify(struct eventpoll *ep, struct epitem *epi,
+ const struct epoll_event *event)
{
int pwake = 0;
unsigned int revents;