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Commit dd8a0421 authored by Ravinder Konka's avatar Ravinder Konka
Browse files

msm: ipa: fix to use valid ep index value 



When disabling agregation on Q6 pipes during SSR
there is a possibility that index -1 is used. Make
a change to skip processing if ep index is not valid.

Change-Id: I7578e582d1eda0b181225af9d00ec8ad5fbe372d
Acked-by: default avatarChaitanya Pratapa <cpratapa@qti.qualcomm.com>
Signed-off-by: default avatarRavinder Konka <rkonka@codeaurora.org>
parent bfb07a5c

drivers/platform/msm/ipa/ipa_v2/ipa.c

+4 −2
Original line number Diff line number Diff line
@@ -1895,6 +1895,9 @@ static int ipa_q6_set_ex_path_dis_agg(void) 


	/* Disable AGGR on IPA->Q6 pipes */

	for (client_idx = 0; client_idx < IPA_CLIENT_MAX; client_idx++) {

		ep_idx = ipa2_get_ep_mapping(client_idx);

		if (ep_idx == -1)

			continue;

		if (IPA_CLIENT_IS_Q6_NON_ZIP_CONS(client_idx) ||

			IPA_CLIENT_IS_Q6_ZIP_CONS(client_idx)) {

			reg_write = kzalloc(sizeof(*reg_write), GFP_KERNEL);
@@ -1904,8 +1907,7 @@ static int ipa_q6_set_ex_path_dis_agg(void) 
				BUG();

			}



			ipa_q6_disable_agg_reg(reg_write,

					       ipa2_get_ep_mapping(client_idx));

			ipa_q6_disable_agg_reg(reg_write, ep_idx);



			desc[num_descs].opcode = IPA_REGISTER_WRITE;

			desc[num_descs].pyld = reg_write;