Re: 2.6.5-mm2 build problem

From: Dominik Karall
Date: Wed Apr 07 2004 - 06:37:47 EST

take a look at the main 2.6.5-mm2 thread. here is a copy of the message:

---------- Forwarded Message ----------

Subject: Re: 2.6.5-mm2
Date: Wednesday 07 April 2004 09:10
From: Andrew Morton <akpm@xxxxxxxx>
To: Brice Goglin <Brice.Goglin@xxxxxxxxxxx>
Cc: linux-kernel@xxxxxxxxxxxxxxx, James Bottomley
<James.Bottomley@xxxxxxxxxxxx>

Brice Goglin <Brice.Goglin@xxxxxxxxxxx> wrote:
> > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.5/2.6.5
> >-mm2/
> >
> > - Merged up Ian Kent's autofs4 patches
> >
> > - Various fixes and speedups.
>
> Hi Andrew,
>
> When building on my Compaq EvoN600c, I get this compile error :
>
> CC [M] drivers/scsi/sr.o
> drivers/scsi/sr.c: In function scsi_cd_get':
> drivers/scsi/sr.c:128: error: structure has no member named kobj'

It looks like Mr SCSI forgot to commit his changes to sr.h.

Here's a backout patch which should get you going again.


25-akpm/drivers/scsi/sr.c | 68
++++++---------------------------------------- 1 files changed, 10
insertions(+), 58 deletions(-)

diff -puN drivers/scsi/sr.c~sr-build-fix drivers/scsi/sr.c
--- 25/drivers/scsi/sr.c~sr-build-fix 2004-04-07 00:07:47.559098560 -0700
+++ 25-akpm/drivers/scsi/sr.c 2004-04-07 00:08:02.302857168 -0700
@@ -113,28 +113,6 @@ static struct cdrom_device_ops sr_dops =
.generic_packet = sr_packet,
};

-static void sr_kobject_release(struct kobject *kobj);
-
-static struct kobj_type scsi_cdrom_kobj_type = {
- .release = sr_kobject_release,
-};
-
-/*
- * The get and put routines for the struct scsi_cd. Note this entity
- * has a scsi_device pointer and owns a reference to this.
- */
-static inline int scsi_cd_get(struct scsi_cd *cd)
-{
- if (!kobject_get(&cd->kobj))
- return -ENODEV;
- return 0;
-}
-
-static inline void scsi_cd_put(struct scsi_cd *cd)
-{
- kobject_put(&cd->kobj);
-}
-
/*
* This function checks to see if the media has been changed in the
* CDROM drive. It is possible that we have already sensed a change,
@@ -446,15 +424,8 @@ static int sr_block_open(struct inode *i

static int sr_block_release(struct inode *inode, struct file *file)
{
- int ret;
struct scsi_cd *cd = scsi_cd(inode->i_bdev->bd_disk);
- ret = cdrom_release(&cd->cdi, file);
- if(ret)
- return ret;
-
- scsi_cd_put(cd);
-
- return 0;
+ return cdrom_release(&cd->cdi, file);
}

static int sr_block_ioctl(struct inode *inode, struct file *file, unsigned
cmd, @@ -496,7 +467,7 @@ static int sr_open(struct cdrom_device_i
struct scsi_device *sdev = cd->device;
int retval;

- retval = scsi_cd_get(cd);
+ retval = scsi_device_get(sdev);
if (retval)
return retval;

@@ -518,7 +489,7 @@ static int sr_open(struct cdrom_device_i
return 0;

error_out:
- scsi_cd_put(cd);
+ scsi_device_put(sdev);
return retval;
}

@@ -529,6 +500,7 @@ static void sr_release(struct cdrom_devi
if (cd->device->sector_size > 2048)
sr_set_blocklength(cd, 2048);

+ scsi_device_put(cd->device);
}

static int sr_probe(struct device *dev)
@@ -542,18 +514,12 @@ static int sr_probe(struct device *dev)
if (sdev->type != TYPE_ROM && sdev->type != TYPE_WORM)
goto fail;

- if ((error = scsi_device_get(sdev)) != 0)
- goto fail;
-
error = -ENOMEM;
cd = kmalloc(sizeof(*cd), GFP_KERNEL);
if (!cd)
- goto fail_put_sdev;
+ goto fail;
memset(cd, 0, sizeof(*cd));

- kobject_init(&cd->kobj);
- cd->kobj.ktype = &scsi_cdrom_kobj_type;
-
disk = alloc_disk(1);
if (!disk)
goto fail_free;
@@ -622,8 +588,6 @@ fail_put:
put_disk(disk);
fail_free:
kfree(cd);
-fail_put_sdev:
- scsi_device_put(sdev);
fail:
return error;
}
@@ -899,32 +863,20 @@ static int sr_packet(struct cdrom_device
return cgc->stat;
}

-static void sr_kobject_release(struct kobject *kobj)
+static int sr_remove(struct device *dev)
{
- struct scsi_cd *cd = container_of(kobj, struct scsi_cd, kobj);
- struct scsi_device *sdev = cd->device;
+ struct scsi_cd *cd = dev_get_drvdata(dev);
+
+ del_gendisk(cd->disk);

spin_lock(&sr_index_lock);
clear_bit(cd->disk->first_minor, sr_index_bits);
spin_unlock(&sr_index_lock);

- unregister_cdrom(&cd->cdi);
-
put_disk(cd->disk);
-
+ unregister_cdrom(&cd->cdi);
kfree(cd);

- scsi_device_put(sdev);
-}
-
-static int sr_remove(struct device *dev)
-{
- struct scsi_cd *cd = dev_get_drvdata(dev);
-
- del_gendisk(cd->disk);
-
- scsi_cd_put(cd);
-
return 0;
}


On Wednesday 07 April 2004 12:37, Ralf Hildebrandt wrote:
> 2.6.5-mm1 builds OK, 2.6.5-mm2 does not:
>
> CC [M] drivers/scsi/scsicam.o
> CC [M] drivers/scsi/scsi_error.o
> CC [M] drivers/scsi/scsi_lib.o
> CC [M] drivers/scsi/scsi_scan.o
> CC [M] drivers/scsi/scsi_syms.o
> CC [M] drivers/scsi/scsi_sysfs.o
> CC [M] drivers/scsi/scsi_devinfo.o
> CC [M] drivers/scsi/scsi_sysctl.o
> CC [M] drivers/scsi/scsi_proc.o
> CC [M] drivers/scsi/sd.o
> CC [M] drivers/scsi/sr.o
> drivers/scsi/sr.c: In function scsi_cd_get':
> drivers/scsi/sr.c:128: error: structure has no member named kobj'
> drivers/scsi/sr.c: In function scsi_cd_put':
> drivers/scsi/sr.c:135: error: structure has no member named kobj'
> drivers/scsi/sr.c: In function sr_probe':
> drivers/scsi/sr.c:554: error: structure has no member named kobj'
> drivers/scsi/sr.c:555: error: structure has no member named kobj'
> drivers/scsi/sr.c: In function sr_kobject_release':
> drivers/scsi/sr.c:904: error: structure has no member named kobj'
> drivers/scsi/sr.c:904: warning: type defaults to int' in declaration of
> __mptr' drivers/scsi/sr.c:904: warning: initialization from incompatible
> pointer type drivers/scsi/sr.c:904: error: structure has no member named
> kobj'
> make[3]: *** [drivers/scsi/sr.o] Error 1
> make[2]: *** [drivers/scsi] Error 2
> make[1]: *** [drivers] Error 2
> make[1]: Leaving directory /usr/src/linux-2.6.5-mm2'
> make: *** [stamp-build] Error 2
>
> My .config is here:
> http://www.stahl.bau.tu-bs.de/~hildeb/satellitepro/kernel-config-2.6
-
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