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perf_event_get(): don't bother with fget_raw() 

... since we immediately follow that with check that it *is* an
opened perf file, with O_PATH ones ending with with the same
-EBADF we'd get for descriptor that isn't opened at all.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2019-06-26 20:43:53 -04:00
parent 8811249f0c
commit 02e5ad9738
1 changed files with 1 additions and 3 deletions
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4
kernel/events/core.c
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@ -11554,9 +11554,7 @@ void perf_event_delayed_put(struct task_struct *task)
struct file *perf_event_get(unsigned int fd) struct file *perf_event_get(unsigned int fd)
{ {
struct file *file; struct file *file = fget(fd);
file = fget_raw(fd);
if (!file) if (!file)
return ERR_PTR(-EBADF); return ERR_PTR(-EBADF);