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soc: qcom: smem: verify both host ids in partition header 

The global partition is indicated by having both host values in its
table of contents entry equal SMEM_GLOBAL_HOST=0xfffe.

In qcom_smem_set_global_partition(), we check whether the header
structure at the beginning of the partition contains that host
value, but the check only verifies *one* of them.  Change the check
so the partition header must have SMEM_GLOBAL_HOST for *both* its
host fields.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
This commit is contained in:
Alex Elder 2018-06-25 19:58:49 -05:00 committed by Andy Gross
parent eb68cf0909
commit 06ada44a80
1 changed files with 1 additions and 1 deletions
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2
drivers/soc/qcom/smem.c
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@ -770,7 +770,7 @@ static int qcom_smem_set_global_partition(struct qcom_smem *smem)
return -EINVAL; return -EINVAL;
} }
if (host0 != SMEM_GLOBAL_HOST && host1 != SMEM_GLOBAL_HOST) { if (host0 != SMEM_GLOBAL_HOST || host1 != SMEM_GLOBAL_HOST) {
dev_err(smem->dev, "Global partition hosts are invalid\n"); dev_err(smem->dev, "Global partition hosts are invalid\n");
return -EINVAL; return -EINVAL;
} }