From 9efdd519d001ee3e761f6ff80d5eb123387421c1 Mon Sep 17 00:00:00 2001
From: katrinzhou <katrinzhou@tencent.com>
Date: Tue, 21 Jun 2022 13:49:26 +0100
Subject: [PATCH] drm/i915/gem: add missing else
Git-commit: 9efdd519d001ee3e761f6ff80d5eb123387421c1
Patch-mainline: v5.19-rc5
Alt-commit: 7482a65664c16cc88eb84d2b545a1fed887378a1
References: git-fixes

Add missing else in set_proto_ctx_param() to fix coverity issue.

Addresses-coverity: ("Unused value")
Fixes: d4433c7600f7 ("drm/i915/gem: Use the proto-context to handle create parameters (v5)")
Suggested-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: katrinzhou <katrinzhou@tencent.com>
[tursulin: fixup alignment]
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220621124926.615884-1-tvrtko.ursulin@linux.intel.com
(cherry picked from commit 7482a65664c16cc88eb84d2b545a1fed887378a1)

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/gpu/drm/i915/gem/i915_gem_context.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

--- a/drivers/gpu/drm/i915/gem/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c
@@ -727,8 +727,9 @@ static int set_proto_ctx_param(struct dr
 	case I915_CONTEXT_PARAM_PERSISTENCE:
 		if (args->size)
 			ret = -EINVAL;
-		ret = proto_context_set_persistence(fpriv->dev_priv, pc,
-						    args->value);
+		else
+			ret = proto_context_set_persistence(fpriv->dev_priv, pc,
+							    args->value);
 		break;
 
 	case I915_CONTEXT_PARAM_NO_ZEROMAP: