From 11d2e7edac6ad221eaf14fdc9ea2f0ddf950a839 Mon Sep 17 00:00:00 2001
From: Alex Elder <elder@linaro.org>
Date: Tue, 10 Apr 2018 17:25:42 -0500
Subject: [PATCH] soc: qcom: smem: check sooner in
qcom_smem_set_global_partition()
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>
---
drivers/soc/qcom/smem.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/soc/qcom/smem.c b/drivers/soc/qcom/smem.c
index 6e42599b70d4d..7d9a43da50843 100644
--- a/drivers/soc/qcom/smem.c
+++ b/drivers/soc/qcom/smem.c
@@ -364,6 +364,11 @@ static int qcom_smem_alloc_private(struct qcom_smem *smem,
end = phdr_to_last_uncached_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) {
if (hdr->canary != SMEM_PRIVATE_CANARY)
goto bad_canary;
@@ -729,11 +734,6 @@ static int qcom_smem_set_global_partition(struct qcom_smem *smem)
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);
host0 = le16_to_cpu(header->host0);
host1 = le16_to_cpu(header->host1);