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signalfd: fix error return code 

If anon_inode_getfile() fails, return appropriate error code. This looks
like a single typo: the similar code changes in timerfd and userfaultfd
are okay.

Found by Linux Verification Center (linuxtesting.org).

Fixes: fbe38120eb ("signalfd: convert to ->read_iter()")
Signed-off-by: Fedor Pchelkin <pchelkin@ispras.ru>
Link: https://lore.kernel.org/r/20240520090819.76342-1-pchelkin@ispras.ru
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Fedor Pchelkin 2024-05-20 12:08:18 +03:00 committed by Christian Brauner
parent 4e527d5841
commit f826bc9d6f
1 changed files with 1 additions and 1 deletions
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2
fs/signalfd.c
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@ -282,7 +282,7 @@ static int do_signalfd4(int ufd, sigset_t *mask, int flags)
if (IS_ERR(file)) {
put_unused_fd(ufd);
kfree(ctx);
return ufd;
return PTR_ERR(file);
}
file->f_mode |= FMODE_NOWAIT;