[PATCH net-next 06/11] net: ipa: validate memory regions at init time

[Alex Elder]

Move the memory region validation check so it happens earlier when
initializing the driver, at init time rather than config time (i.e.,
before access to hardware is required).

Signed-off-by: Alex Elder <elder@xxxxxxxxxx>
---
 drivers/net/ipa/ipa_mem.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ipa/ipa_mem.c b/drivers/net/ipa/ipa_mem.c
index f245e1a60a44b..b2d149e7c5f0e 100644
--- a/drivers/net/ipa/ipa_mem.c
+++ b/drivers/net/ipa/ipa_mem.c
@@ -215,10 +215,6 @@ int ipa_mem_config(struct ipa *ipa)
 	ipa->zero_virt = virt;
 	ipa->zero_size = IPA_MEM_MAX;
 
-	/* Make sure all defined memory regions are valid */
-	if (!ipa_mem_valid(ipa))
-		goto err_dma_free;
-
 	/* For each region, write "canary" values in the space prior to
 	 * the region's base address if indicated.
 	 */
@@ -528,6 +524,10 @@ int ipa_mem_init(struct ipa *ipa, const struct ipa_mem_data *mem_data)
 	ipa->mem_count = mem_data->local_count;
 	ipa->mem = mem_data->local;
 
+	/* Make sure all defined memory regions are valid */
+	if (!ipa_mem_valid(ipa))
+		goto err_unmap;
+
 	ret = ipa_imem_init(ipa, mem_data->imem_addr, mem_data->imem_size);
 	if (ret)
 		goto err_unmap;
-- 
2.27.0