[S390] avoid default_llseek in s390 drivers
Use nonseekable_open for a couple of s390 device drivers. This avoids
the use of default_llseek function which has a dependency on the BKL.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
index c53f8ac..95c1aaa 100644
--- a/arch/s390/hypfs/inode.c
+++ b/arch/s390/hypfs/inode.c
@@ -145,7 +145,7 @@
}
mutex_unlock(&fs_info->lock);
}
- return 0;
+ return nonseekable_open(inode, filp);
}
static ssize_t hypfs_aio_read(struct kiocb *iocb, const struct iovec *iov,
diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c
index 0168472..9819226 100644
--- a/arch/s390/kernel/debug.c
+++ b/arch/s390/kernel/debug.c
@@ -655,6 +655,7 @@
p_info->act_entry_offset = 0;
file->private_data = p_info;
debug_info_get(debug_info);
+ nonseekable_open(inode, file);
out:
mutex_unlock(&debug_mutex);
return rc;
diff --git a/drivers/s390/char/fs3270.c b/drivers/s390/char/fs3270.c
index 0eabcca..857dfcb 100644
--- a/drivers/s390/char/fs3270.c
+++ b/drivers/s390/char/fs3270.c
@@ -484,6 +484,7 @@
raw3270_del_view(&fp->view);
goto out;
}
+ nonseekable_open(inode, filp);
filp->private_data = fp;
out:
mutex_unlock(&fs3270_mutex);
diff --git a/drivers/s390/char/zcore.c b/drivers/s390/char/zcore.c
index 7217966..f5ea338 100644
--- a/drivers/s390/char/zcore.c
+++ b/drivers/s390/char/zcore.c
@@ -445,7 +445,7 @@
}
kfree(chunk_array);
filp->private_data = buf;
- return 0;
+ return nonseekable_open(inode, filp);
}
static int zcore_memmap_release(struct inode *inode, struct file *filp)
@@ -473,7 +473,7 @@
static int zcore_reipl_open(struct inode *inode, struct file *filp)
{
- return 0;
+ return nonseekable_open(inode, filp);
}
static int zcore_reipl_release(struct inode *inode, struct file *filp)
diff --git a/drivers/s390/cio/chsc_sch.c b/drivers/s390/cio/chsc_sch.c
index 3b6f4ad..a83877c 100644
--- a/drivers/s390/cio/chsc_sch.c
+++ b/drivers/s390/cio/chsc_sch.c
@@ -803,6 +803,7 @@
static const struct file_operations chsc_fops = {
.owner = THIS_MODULE,
+ .open = nonseekable_open,
.unlocked_ioctl = chsc_ioctl,
.compat_ioctl = chsc_ioctl,
};
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index da6df04..ac94ac7 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -1065,6 +1065,7 @@
}
static const struct file_operations cio_settle_proc_fops = {
+ .open = nonseekable_open,
.write = cio_settle_write,
};
diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c
index 304caf5..41e0aae 100644
--- a/drivers/s390/crypto/zcrypt_api.c
+++ b/drivers/s390/crypto/zcrypt_api.c
@@ -302,7 +302,7 @@
static int zcrypt_open(struct inode *inode, struct file *filp)
{
atomic_inc(&zcrypt_open_count);
- return 0;
+ return nonseekable_open(inode, filp);
}
/**
diff --git a/drivers/s390/scsi/zfcp_cfdc.c b/drivers/s390/scsi/zfcp_cfdc.c
index 25d9e0a..1a2db0a 100644
--- a/drivers/s390/scsi/zfcp_cfdc.c
+++ b/drivers/s390/scsi/zfcp_cfdc.c
@@ -254,6 +254,7 @@
}
static const struct file_operations zfcp_cfdc_fops = {
+ .open = nonseekable_open,
.unlocked_ioctl = zfcp_cfdc_dev_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = zfcp_cfdc_dev_ioctl