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authorLinus Torvalds <torvalds@linux-foundation.org>2014-09-10 15:42:18 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-09-10 15:42:18 -0700
commit584f1adaf069074f49b05da92f05995f8562206d (patch)
tree77e4aaeb7deeaf6bb9cc2f084b027366ebf98bd4 /fs
parent7ec62d421bdf29cb31101ae2689f7f3a9906289a (diff)
parent7e8824816bda16bb11ff5ff1e1212d642e57b0b3 (diff)
Merge branch 'akpm' (fixes from Andrew Morton)
Merge misc fixes from Andrew Morton: "10 fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: fs/notify: don't show f_handle if exportfs_encode_inode_fh failed fsnotify/fdinfo: use named constants instead of hardcoded values kcmp: fix standard comparison bug mm/mmap.c: use pr_emerg when printing BUG related information shm: add memfd.h to UAPI export list checkpatch: allow commit descriptions on separate line from commit id sh: get_user_pages_fast() must flush cache eventpoll: fix uninitialized variable in epoll_ctl kernel/printk/printk.c: fix faulty logic in the case of recursive printk mem-hotplug: let memblock skip the hotpluggable memory regions in __next_mem_range()
Diffstat (limited to 'fs')
-rw-r--r--fs/eventpoll.c3
-rw-r--r--fs/notify/fdinfo.c4
2 files changed, 4 insertions, 3 deletions
diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index b10b48c2a7a..7bcfff900f0 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -1852,7 +1852,8 @@ SYSCALL_DEFINE4(epoll_ctl, int, epfd, int, op, int, fd,
goto error_tgt_fput;
/* Check if EPOLLWAKEUP is allowed */
- ep_take_care_of_epollwakeup(&epds);
+ if (ep_op_has_event(op))
+ ep_take_care_of_epollwakeup(&epds);
/*
* We have to check that the file structure underneath the file descriptor
diff --git a/fs/notify/fdinfo.c b/fs/notify/fdinfo.c
index 238a5930cb3..9d7e2b9659c 100644
--- a/fs/notify/fdinfo.c
+++ b/fs/notify/fdinfo.c
@@ -42,7 +42,7 @@ static int show_mark_fhandle(struct seq_file *m, struct inode *inode)
{
struct {
struct file_handle handle;
- u8 pad[64];
+ u8 pad[MAX_HANDLE_SZ];
} f;
int size, ret, i;
@@ -50,7 +50,7 @@ static int show_mark_fhandle(struct seq_file *m, struct inode *inode)
size = f.handle.handle_bytes >> 2;
ret = exportfs_encode_inode_fh(inode, (struct fid *)f.handle.f_handle, &size, 0);
- if ((ret == 255) || (ret == -ENOSPC)) {
+ if ((ret == FILEID_INVALID) || (ret < 0)) {
WARN_ONCE(1, "Can't encode file handler for inotify: %d\n", ret);
return 0;
}