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Pull request 

An infinite loop fix for the userspace NVMe driver.
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Merge tag 'block-pull-request' of https://gitlab.com/stefanha/qemu into staging

Pull request

An infinite loop fix for the userspace NVMe driver.

# gpg: Signature made Thu 09 Dec 2021 07:21:08 AM PST
# gpg:                using RSA key 8695A8BFD3F97CDAAC35775A9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [full]
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>" [full]

* tag 'block-pull-request' of https://gitlab.com/stefanha/qemu:
  block/nvme: fix infinite loop in nvme_free_req_queue_cb()

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2021-12-14 12:46:18 -08:00
parent af1719795c cf4fbc3030
commit 76b56fdfc9
1 changed files with 3 additions and 2 deletions
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5
block/nvme.c
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@ -206,8 +206,9 @@ static void nvme_free_req_queue_cb(void *opaque)
NVMeQueuePair *q = opaque;
qemu_mutex_lock(&q->lock);
while (qemu_co_enter_next(&q->free_req_queue, &q->lock)) {
/* Retry all pending requests */
while (q->free_req_head != -1 &&
qemu_co_enter_next(&q->free_req_queue, &q->lock)) {
/* Retry waiting requests */
}
qemu_mutex_unlock(&q->lock);
}