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* [patch] drm/nouveau/platform: checking for IS_ERR() instead of NULL
@ 2015-04-21  9:25 ` Dan Carpenter
  0 siblings, 0 replies; 6+ messages in thread
From: Dan Carpenter @ 2015-04-21  9:25 UTC (permalink / raw)
  To: David Airlie, Alexandre Courbot
  Cc: dri-devel, Thierry Reding, kernel-janitors, Ben Skeggs

iommu_domain_alloc() returns NULL on error, it doesn't return error
pointers.

Fixes: 58fd9375c2c5 ('drm/nouveau/platform: probe IOMMU if present')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

diff --git a/drivers/gpu/drm/nouveau/nouveau_platform.c b/drivers/gpu/drm/nouveau/nouveau_platform.c
index 775277f..4fbd35d 100644
--- a/drivers/gpu/drm/nouveau/nouveau_platform.c
+++ b/drivers/gpu/drm/nouveau/nouveau_platform.c
@@ -102,7 +102,7 @@ static void nouveau_platform_probe_iommu(struct device *dev,
 
 	if (iommu_present(&platform_bus_type)) {
 		gpu->iommu.domain = iommu_domain_alloc(&platform_bus_type);
-		if (IS_ERR(gpu->iommu.domain))
+		if (!gpu->iommu.domain)
 			goto error;
 
 		/*

^ permalink raw reply related	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2015-04-21  9:43 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
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2015-04-21  9:25 [patch] drm/nouveau/platform: checking for IS_ERR() instead of NULL Dan Carpenter
2015-04-21  9:25 ` Dan Carpenter
2015-04-21  9:36 ` Thierry Reding
2015-04-21  9:36   ` Thierry Reding
2015-04-21  9:43 ` Alexandre Courbot
2015-04-21  9:43   ` Alexandre Courbot

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