diff options
| author | Yejune Deng <yejune.deng@gmail.com> | 2021-07-13 17:18:33 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-07-19 09:44:56 +0200 |
| commit | cb2985feb11816d351840651530f620abf860fae (patch) | |
| tree | 86bb8ea9df59694efcbb4e3bdfba8f8566b092e2 | |
| parent | 7d4f96158852d2722e00a6bd2e77a883b0bf61ce (diff) | |
io_uring: simplify io_remove_personalities()
commit 0bead8cd39b9c9c7c4e902018ccf129107ac50ef upstream.
The function io_remove_personalities() is very similar to
io_unregister_personality(),so implement io_remove_personalities()
calling io_unregister_personality().
Signed-off-by: Yejune Deng <yejune.deng@gmail.com>
Reviewed-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | fs/io_uring.c | 28 |
1 files changed, 11 insertions, 17 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index 0138aa713317..0cbf2a0a8570 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -8505,9 +8505,8 @@ static int io_uring_fasync(int fd, struct file *file, int on) return fasync_helper(fd, file, on, &ctx->cq_fasync); } -static int io_remove_personalities(int id, void *p, void *data) +static int io_unregister_personality(struct io_ring_ctx *ctx, unsigned id) { - struct io_ring_ctx *ctx = data; struct io_identity *iod; iod = idr_remove(&ctx->personality_idr, id); @@ -8515,7 +8514,17 @@ static int io_remove_personalities(int id, void *p, void *data) put_cred(iod->creds); if (refcount_dec_and_test(&iod->count)) kfree(iod); + return 0; } + + return -EINVAL; +} + +static int io_remove_personalities(int id, void *p, void *data) +{ + struct io_ring_ctx *ctx = data; + + io_unregister_personality(ctx, id); return 0; } @@ -9606,21 +9615,6 @@ static int io_register_personality(struct io_ring_ctx *ctx) return ret; } -static int io_unregister_personality(struct io_ring_ctx *ctx, unsigned id) -{ - struct io_identity *iod; - - iod = idr_remove(&ctx->personality_idr, id); - if (iod) { - put_cred(iod->creds); - if (refcount_dec_and_test(&iod->count)) - kfree(iod); - return 0; - } - - return -EINVAL; -} - static int io_register_restrictions(struct io_ring_ctx *ctx, void __user *arg, unsigned int nr_args) { |