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authorAlex Elder <elder@linaro.org>2018-04-11 01:25:42 +0300
committerAndy Gross <andy.gross@linaro.org>2018-05-25 23:53:56 +0300
commit11d2e7edac6ad221eaf14fdc9ea2f0ddf950a839 (patch)
tree39c4893221d4ebaac15df69342bc88c363ab31da /drivers/soc/qcom
parent8fa1a21409da6abfe890f66532f9fcd8d2c25a3d (diff)
downloadlinux-11d2e7edac6ad221eaf14fdc9ea2f0ddf950a839.tar.xz
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>
Diffstat (limited to 'drivers/soc/qcom')
-rw-r--r--drivers/soc/qcom/smem.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/soc/qcom/smem.c b/drivers/soc/qcom/smem.c
index 6e42599b70d4..7d9a43da5084 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);