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hw/nvme: fix invalid check on mcl 

The number of logical blocks within a source range is converted into a
1s based number at the time of parsing. However, when verifying the copy
length we add one again, causing the check against MCL to fail in error.

Cc: qemu-stable@nongnu.org
Fixes: 381ab99d85 ("hw/nvme: check maximum copy length (MCL) for COPY")
Reviewed-by: Minwoo Im <minwoo.im@samsung.com>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
This commit is contained in:
Klaus Jensen 2024-02-08 13:22:48 +01:00
parent 4f0a4a3d58
commit 8c78015a55
1 changed files with 1 additions and 1 deletions
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2
hw/nvme/ctrl.c
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@ -2855,7 +2855,7 @@ static inline uint16_t nvme_check_copy_mcl(NvmeNamespace *ns,
uint32_t nlb;
nvme_copy_source_range_parse(iocb->ranges, idx, iocb->format, NULL,
&nlb, NULL, NULL, NULL);
copy_len += nlb + 1;
copy_len += nlb;
}
if (copy_len > ns->id_ns.mcl) {