linux-kernel - [PATCH v2] drm/i915/gem: add missing else

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Date:   Mon, 20 Jun 2022 19:59:53 +0800
From:   zys.zljxml@...il.com
To:     dri-devel@...ts.freedesktop.org, intel-gfx@...ts.freedesktop.org,
        jani.nikula@...ux.intel.com, joonas.lahtinen@...ux.intel.com,
        rodrigo.vivi@...el.com, tvrtko.ursulin@...ux.intel.com,
        airlied@...ux.ie, daniel@...ll.ch
Cc:     bob.beckett@...labora.com, matthew.auld@...el.com,
        thomas.hellstrom@...ux.intel.com, kernel@...labora.com,
        linux-kernel@...r.kernel.org, katrinzhou <katrinzhou@...cent.com>,
        Tvrtko Ursulin <tvrtko.ursulin@...el.com>
Subject: [PATCH v2] drm/i915/gem: add missing else

From: katrinzhou <katrinzhou@...cent.com>

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@...el.com>
Signed-off-by: katrinzhou <katrinzhou@...cent.com>
---
Update from v1:
Fixed the code logic as suggested by Tvrtko Ursulin.

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

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c
index ab4c5ab28e4d..1099a383e55a 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c
@@ -933,7 +933,8 @@ static int set_proto_ctx_param(struct drm_i915_file_private *fpriv,
 	case I915_CONTEXT_PARAM_PERSISTENCE:
 		if (args->size)
 			ret = -EINVAL;
-		ret = proto_context_set_persistence(fpriv->dev_priv, pc,
+		else
+			ret = proto_context_set_persistence(fpriv->dev_priv, pc,
 						    args->value);
 		break;
 
-- 
2.27.0