linux-kernel - [PATCH] ion: improve ion

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Message-Id: <1426007328-3288-1-git-send-email-mitchelh@codeaurora.org>
Date:	Tue, 10 Mar 2015 10:08:48 -0700
From:	Mitchel Humpherys <mitchelh@...eaurora.org>
To:	devel@...uxdriverproject.org,
	Android Kernel Team <kernel-team@...roid.com>,
	Colin Cross <ccross@...roid.com>
Cc:	linux-kernel@...r.kernel.org, John Stultz <john.stultz@...aro.org>,
	Dan Carpenter <dan.carpenter@...cle.com>,
	Mitchel Humpherys <mitchelh@...eaurora.org>
Subject: [PATCH] ion: improve ion_phys error message

Clients often get confused when ion_phys errors out due to some heap
being used that they didn't expect.  Add the heap name and heap type to
the error message to make it more obvious.

Signed-off-by: Mitchel Humpherys <mitchelh@...eaurora.org>
---
 drivers/staging/android/ion/ion.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c
index 296d347660fc..966b7fdc9ecf 100644
--- a/drivers/staging/android/ion/ion.c
+++ b/drivers/staging/android/ion/ion.c
@@ -566,8 +566,8 @@ int ion_phys(struct ion_client *client, struct ion_handle *handle,
 	buffer = handle->buffer;
 
 	if (!buffer->heap->ops->phys) {
-		pr_err("%s: ion_phys is not implemented by this heap.\n",
-		       __func__);
+		pr_err("%s: ion_phys is not implemented by this heap (name=%s, type=%d).\n",
+			__func__, buffer->heap->name, buffer->heap->type);
 		mutex_unlock(&client->lock);
 		return -ENODEV;
 	}
-- 
Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

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