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Commit 8799b3ea authored by Pooja Kumari's avatar Pooja Kumari
Browse files

ipa3: validate ipahal_ctx before use 



Add check to validate ipahal_ctx before dereference
to avoid NULL pointer dereference error.

Change-Id: Id07ab470629c09a9a9d96f874cb0147cd71e4976
Signed-off-by: default avatarPooja Kumari <kumarip@codeaurora.org>
parent 91a4f94a

drivers/platform/msm/ipa/ipa_v3/ipahal/ipahal_reg.c

+6 −0
Original line number Diff line number Diff line
@@ -3751,6 +3751,12 @@ u32 ipahal_get_reg_mn_ofst(enum ipahal_reg_name reg, u32 m, u32 n) 
		return -EINVAL;

	}



	if (!ipahal_ctx) {

		IPAHAL_ERR_RL("ipahal_ctx is NULL\n");

		WARN_ON_RATELIMIT_IPA(1);

		return -EINVAL;

	}



	IPAHAL_DBG_LOW("get offset of %s m=%u n=%u\n",

		ipahal_reg_name_str(reg), m, n);

	offset = ipahal_reg_objs[ipahal_ctx->hw_type][reg].offset;