msm: ipa3: changes to return correct variable value

When GSI stop channel is failing, & retrying & IPA_HW < 4.0,
the return variable is being updated by the immediate other
function as well, there it results in updating & returning
a wrong value, finally leading to exit without removing endp_delay
on that pipe, results in without stopping the channel thereafter
so corrected it with adding a new variable.

Change-Id: If0ee3986ae40941ce4409d6fb5d74b37db9b7190
Signed-off-by: Jagadeesh Ponduru <[email protected]>

drivers/platform/msm/ipa/ipa_v3/ipa_utils.c

@@ -11718,6 +11718,7 @@ static int __ipa3_stop_gsi_channel(u32 clnt_hdl)
 {
 	struct ipa_mem_buffer mem;
 	int res = 0;
+	int result = 0;
 	int i;
 	struct ipa3_ep_context *ep;
 	enum ipa_client_type client_type;
@@ -11813,10 +11814,10 @@ static int __ipa3_stop_gsi_channel(u32 clnt_hdl)
 		if (ipa3_ctx->ipa_hw_type < IPA_HW_v4_0) {
 			IPADBG("Inject a DMA_TASK with 1B packet to IPA\n");
 			/* Send a 1B packet DMA_TASK to IPA and try again */
-			res = ipa3_inject_dma_task_for_gsi();
-			if (res) {
+			result = ipa3_inject_dma_task_for_gsi();
+			if (result) {
 				IPAERR("Failed to inject DMA TASk for GSI\n");
-				return res;
+				return result;
 			}
 		}
 		/* sleep for short period to flush IPA */