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soc: qcom: smem: check sooner in qcom_smem_set_global_partition()

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There's no sense in scanning the partition table again if we know
the global partition has already been discovered.  Check for a
non-null global_partition pointer in qcom_smem_set_global_partition()
immediately.

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>
This commit is contained in:
Alex Elder 2018-04-10 17:25:42 -05:00 committed by Andy Gross
parent 8fa1a21409
commit 11d2e7edac
1 changed files with 5 additions and 5 deletions
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10
drivers/soc/qcom/smem.c
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@ -364,6 +364,11 @@ static int qcom_smem_alloc_private(struct qcom_smem *smem,
end = phdr_to_last_uncached_entry(phdr); end = phdr_to_last_uncached_entry(phdr);
cached = phdr_to_last_cached_entry(phdr); cached = phdr_to_last_cached_entry(phdr);
if (smem->global_partition) {
dev_err(smem->dev, "Already found the global partition\n");
return -EINVAL;
}
while (hdr < end) { while (hdr < end) {
if (hdr->canary != SMEM_PRIVATE_CANARY) if (hdr->canary != SMEM_PRIVATE_CANARY)
goto bad_canary; goto bad_canary;
@ -729,11 +734,6 @@ static int qcom_smem_set_global_partition(struct qcom_smem *smem)
return -EINVAL; return -EINVAL;
} }
if (smem->global_partition) {
dev_err(smem->dev, "Already found the global partition\n");
return -EINVAL;
}
header = smem->regions[0].virt_base + le32_to_cpu(entry->offset); header = smem->regions[0].virt_base + le32_to_cpu(entry->offset);
host0 = le16_to_cpu(header->host0); host0 = le16_to_cpu(header->host0);
host1 = le16_to_cpu(header->host1); host1 = le16_to_cpu(header->host1);