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io_uring/tctx: check for setup tctx->io_wq before teardown

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As with the idling code before it, the error exit path should check for
a NULL tctx->io_wq before calling io_wq_put_and_exit().

Fixes: 7880174e1e ("io_uring/tctx: clean up __io_uring_add_tctx_node() error handling")
Reported-by: Dan Carpenter <error27@gmail.com>
Reviewed-by: Clément Léger <cleger@meta.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe
2026-04-20 14:47:29 -06:00
parent 326941b228
commit ee5417fd02
1 changed files with 2 additions and 1 deletions
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io_uring/tctx.c
+2 -1
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@@ -171,7 +171,8 @@ int __io_uring_add_tctx_node(struct io_ring_ctx *ctx)
}
if (!current->io_uring) {
err_free:
io_wq_put_and_exit(tctx->io_wq);
if (tctx->io_wq)
io_wq_put_and_exit(tctx->io_wq);
percpu_counter_destroy(&tctx->inflight);
kfree(tctx);
}