[PATCH resend 02/12] soc: qcom: smem: initialize region struct only when successful

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hold off initializing anything for the array entry representing a
memory region in qcom_smem_map_memory() until we know we've
successfully mapped it.

Signed-off-by: Alex Elder <elder@xxxxxxxxxx>
---
 drivers/soc/qcom/smem.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/soc/qcom/smem.c b/drivers/soc/qcom/smem.c
index c46bb43c0f3d..d8008bf480a4 100644
--- a/drivers/soc/qcom/smem.c
+++ b/drivers/soc/qcom/smem.c
@@ -887,6 +887,7 @@ static int qcom_smem_map_memory(struct qcom_smem *smem, struct device *dev,
 {
 	struct device_node *np;
 	struct resource r;
+	resource_size_t size;
 	int ret;
 
 	np = of_parse_phandle(dev->of_node, name, 0);
@@ -899,12 +900,13 @@ static int qcom_smem_map_memory(struct qcom_smem *smem, struct device *dev,
 	of_node_put(np);
 	if (ret)
 		return ret;
+	size = resource_size(&r);
 
-	smem->regions[i].aux_base = (u32)r.start;
-	smem->regions[i].size = resource_size(&r);
-	smem->regions[i].virt_base = devm_ioremap_wc(dev, r.start, resource_size(&r));
+	smem->regions[i].virt_base = devm_ioremap_wc(dev, r.start, size);
 	if (!smem->regions[i].virt_base)
 		return -ENOMEM;
+	smem->regions[i].aux_base = (u32)r.start;
+	smem->regions[i].size = size;
 
 	return 0;
 }
-- 
2.17.1

--
To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [Linux for Sparc]     [IETF Annouce]     [Security]     [Bugtraq]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux