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| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2010-05-17 10:00:07 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2010-05-17 10:00:16 +0200 |
| commit | 58ea91c05346f7c6336e6248b743aa9a8e1c19a9 (patch) | |
| tree | aa8fafa3a049a482eb9f2600fec40c03ae10935a /drivers/s390 | |
| parent | f73a2b03c59b95a3ee8eebcc127350c77c950e87 (diff) | |
| download | linux-3.10-58ea91c05346f7c6336e6248b743aa9a8e1c19a9.tar.gz linux-3.10-58ea91c05346f7c6336e6248b743aa9a8e1c19a9.tar.bz2 linux-3.10-58ea91c05346f7c6336e6248b743aa9a8e1c19a9.zip | |
[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>
Diffstat (limited to 'drivers/s390')
| -rw-r--r-- | drivers/s390/char/fs3270.c | 1 | ||||
| -rw-r--r-- | drivers/s390/char/zcore.c | 4 | ||||
| -rw-r--r-- | drivers/s390/cio/chsc_sch.c | 1 | ||||
| -rw-r--r-- | drivers/s390/cio/css.c | 1 | ||||
| -rw-r--r-- | drivers/s390/crypto/zcrypt_api.c | 2 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_cfdc.c | 1 |
6 files changed, 7 insertions, 3 deletions
diff --git a/drivers/s390/char/fs3270.c b/drivers/s390/char/fs3270.c index 0eabcca3c92..857dfcb7b35 100644 --- a/drivers/s390/char/fs3270.c +++ b/drivers/s390/char/fs3270.c @@ -484,6 +484,7 @@ fs3270_open(struct inode *inode, struct file *filp) 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 7217966f7d3..f5ea3384a4b 100644 --- a/drivers/s390/char/zcore.c +++ b/drivers/s390/char/zcore.c @@ -445,7 +445,7 @@ static int zcore_memmap_open(struct inode *inode, struct file *filp) } 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 ssize_t zcore_reipl_write(struct file *filp, const char __user *buf, 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 3b6f4adc509..a83877c664a 100644 --- a/drivers/s390/cio/chsc_sch.c +++ b/drivers/s390/cio/chsc_sch.c @@ -803,6 +803,7 @@ static long chsc_ioctl(struct file *filp, unsigned int cmd, 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 da6df048328..ac94ac75145 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -1065,6 +1065,7 @@ static ssize_t cio_settle_write(struct file *file, const char __user *buf, } 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 304caf54997..41e0aaefafd 100644 --- a/drivers/s390/crypto/zcrypt_api.c +++ b/drivers/s390/crypto/zcrypt_api.c @@ -302,7 +302,7 @@ static ssize_t zcrypt_write(struct file *filp, const char __user *buf, 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 25d9e0ae9c5..1a2db0a3573 100644 --- a/drivers/s390/scsi/zfcp_cfdc.c +++ b/drivers/s390/scsi/zfcp_cfdc.c @@ -254,6 +254,7 @@ static long zfcp_cfdc_dev_ioctl(struct file *file, unsigned int command, } 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 |