linux-kernel - [PATCH 3.18 069/108] scsi: aic94xx: fix module loading

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Date:   Mon, 18 Feb 2019 14:44:05 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        James Bottomley <James.Bottomley@...senPartnership.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>
Subject: [PATCH 3.18 069/108] scsi: aic94xx: fix module loading

3.18-stable review patch.  If anyone has any objections, please let me know.

------------------

From: James Bottomley <James.Bottomley@...senPartnership.com>

commit 42caa0edabd6a0a392ec36a5f0943924e4954311 upstream.

The aic94xx driver is currently failing to load with errors like

sysfs: cannot create duplicate filename '/devices/pci0000:00/0000:00:03.0/0000:02:00.3/0000:07:02.0/revision'

Because the PCI code had recently added a file named 'revision' to every
PCI device.  Fix this by renaming the aic94xx revision file to
aic_revision.  This is safe to do for us because as far as I can tell,
there's nothing in userspace relying on the current aic94xx revision file
so it can be renamed without breaking anything.

Fixes: 702ed3be1b1b (PCI: Create revision file in sysfs)
Cc: stable@...r.kernel.org
Signed-off-by: James Bottomley <James.Bottomley@...senPartnership.com>
Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/scsi/aic94xx/aic94xx_init.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

--- a/drivers/scsi/aic94xx/aic94xx_init.c
+++ b/drivers/scsi/aic94xx/aic94xx_init.c
@@ -294,7 +294,7 @@ static ssize_t asd_show_dev_rev(struct d
 	return snprintf(buf, PAGE_SIZE, "%s\n",
 			asd_dev_rev[asd_ha->revision_id]);
 }
-static DEVICE_ATTR(revision, S_IRUGO, asd_show_dev_rev, NULL);
+static DEVICE_ATTR(aic_revision, S_IRUGO, asd_show_dev_rev, NULL);
 
 static ssize_t asd_show_dev_bios_build(struct device *dev,
 				       struct device_attribute *attr,char *buf)
@@ -491,7 +491,7 @@ static int asd_create_dev_attrs(struct a
 {
 	int err;
 
-	err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_revision);
+	err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_aic_revision);
 	if (err)
 		return err;
 
@@ -513,13 +513,13 @@ err_update_bios:
 err_biosb:
 	device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
 err_rev:
-	device_remove_file(&asd_ha->pcidev->dev, &dev_attr_revision);
+	device_remove_file(&asd_ha->pcidev->dev, &dev_attr_aic_revision);
 	return err;
 }
 
 static void asd_remove_dev_attrs(struct asd_ha_struct *asd_ha)
 {
-	device_remove_file(&asd_ha->pcidev->dev, &dev_attr_revision);
+	device_remove_file(&asd_ha->pcidev->dev, &dev_attr_aic_revision);
 	device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
 	device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
 	device_remove_file(&asd_ha->pcidev->dev, &dev_attr_update_bios);