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hw/nvme: fix memory leak in nvme_dsm

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The iocb (and the allocated memory to hold LBA ranges) leaks if reading
the LBA ranges fails.

Fix this by adding a free and an unref of the iocb.

Reported-by: Coverity (CID 1508281)
Fixes: d7d1474fd8 ("hw/nvme: reimplement dsm to allow cancellation")
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
(cherry picked from commit 4b32319cdacd99be983e1a74128289ef52c5964e)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
Klaus Jensen 2023-04-11 20:54:44 +02:00 committed by Michael Tokarev
parent 3218890da4
commit c221208352
1 changed files with 3 additions and 0 deletions
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3
hw/nvme/ctrl.c
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@ -2491,6 +2491,9 @@ static uint16_t nvme_dsm(NvmeCtrl *n, NvmeRequest *req)
status = nvme_h2c(n, (uint8_t *)iocb->range, sizeof(NvmeDsmRange) * nr, status = nvme_h2c(n, (uint8_t *)iocb->range, sizeof(NvmeDsmRange) * nr,
req); req);
if (status) { if (status) {
g_free(iocb->range);
qemu_aio_unref(iocb);
return status; return status;
} }