nvidiafb: Fix i2c error handling

Fixed error handling in rivafb-i2c.c if bus registration fails.

---

 nv_i2c.c |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletion(-)

diff -Nru a/drivers/video/nvidia/nv_i2c.c b/drivers/video/nvidia/nv_i2c.c
@@ -119,9 +119,12 @@
 	if (rc == 0)
 		dev_dbg(&chan->par->pci_dev->dev,
 			"I2C bus %s registered.\n", name);
-	else
+	else {
 		dev_warn(&chan->par->pci_dev->dev,
 			 "Failed to register I2C bus %s.\n", name);
+		chan->par = NULL;
+	}
+
 	return rc;
 }
 

@@ -174,6 +177,9 @@
 		     },
 	};
 	u8 *buf;
+
+	if (!chan->par)
+		return NULL;
 
 	buf = kmalloc(EDID_LENGTH, GFP_KERNEL);
 	if (!buf) {

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Could you tell me (and the list) what version of the source tree these patches are relative to? I do not think Linux 2.6.11 has merged nvidiafb yet.

I've been using:

Message-ID: <[email protected]>
From: "Antonino A. Daplas" <[email protected]>
Newsgroups: gmane.linux.fbdev.devel
Subject: [PATCH 6/7] nvidiafb: Add update framebuffer driver for nVidia chipsets
Date: Thu, 17 Feb 2005 20:45:36 +0800

and I presume the patches you are posting this week are on top of these but I was not sure hence this question.

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The diff is against 2.6.11-mm1.

Tony

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