diff options
Diffstat (limited to 'drivers/char/acquirewdt.c')
-rw-r--r-- | drivers/char/acquirewdt.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/char/acquirewdt.c b/drivers/char/acquirewdt.c index 8d2600f41..be1c28456 100644 --- a/drivers/char/acquirewdt.c +++ b/drivers/char/acquirewdt.c @@ -64,6 +64,10 @@ static void acq_ping(void) static ssize_t acq_write(struct file *file, const char *buf, size_t count, loff_t *ppos) { + /* Can't seek (pwrite) on this device */ + if (ppos != &file->f_pos) + return -ESPIPE; + if(count) { acq_ping(); |