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| author | Alex Elder <elder@linaro.org> | 2018-04-11 01:25:40 +0300 |
|---|---|---|
| committer | Andy Gross <andy.gross@linaro.org> | 2018-05-25 23:53:55 +0300 |
| commit | 8377f8181da8dce24ace68a43e280f6a6cb2c51c (patch) | |
| tree | 4b8c125613105ce49ede711a6f6112681d659059 /drivers/soc/qcom/smem.c | |
| parent | 04a512fea333369cc0b550f3b90df0d638e34d00 (diff) | |
| download | linux-8377f8181da8dce24ace68a43e280f6a6cb2c51c.tar.xz | |
soc: qcom: smem: fix off-by-one error in qcom_smem_alloc_private()
It's OK if the space for a newly-allocated uncached entry actually
touches the free cached space boundary. It's only a problem if it
would cross it.
Signed-off-by: Alex Elder <elder@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
Diffstat (limited to 'drivers/soc/qcom/smem.c')
| -rw-r--r-- | drivers/soc/qcom/smem.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/soc/qcom/smem.c b/drivers/soc/qcom/smem.c index 82f0908b90e1..0ed263055988 100644 --- a/drivers/soc/qcom/smem.c +++ b/drivers/soc/qcom/smem.c @@ -375,7 +375,7 @@ static int qcom_smem_alloc_private(struct qcom_smem *smem, /* Check that we don't grow into the cached region */ alloc_size = sizeof(*hdr) + ALIGN(size, 8); - if ((void *)hdr + alloc_size >= cached) { + if ((void *)hdr + alloc_size > cached) { dev_err(smem->dev, "Out of memory\n"); return -ENOSPC; } |