diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2020-04-25 18:23:17 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2020-05-28 20:29:17 -0400 |
| commit | 5c6a8747e0cff47071d6ad3fcfe6f86713cf543a (patch) | |
| tree | 09aaefc3f9d0f1659c25683e09cb377fdf64417c /drivers/staging/comedi/comedi_fops.c | |
| parent | e0d0bf8a28eb04efd997478ef3d82319cdef9455 (diff) | |
comedi: get rid of indirection via translated_ioctl()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/staging/comedi/comedi_fops.c')
| -rw-r--r-- | drivers/staging/comedi/comedi_fops.c | 26 |
1 files changed, 8 insertions, 18 deletions
diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c index 9dfb81dfe43c..ecd29f28673c 100644 --- a/drivers/staging/comedi/comedi_fops.c +++ b/drivers/staging/comedi/comedi_fops.c @@ -2871,16 +2871,6 @@ struct comedi32_insnlist_struct { compat_uptr_t insns; /* 32-bit 'struct comedi_insn *' */ }; -/* Handle translated ioctl. */ -static int translated_ioctl(struct file *file, unsigned int cmd, - unsigned long arg) -{ - if (file->f_op->unlocked_ioctl) - return file->f_op->unlocked_ioctl(file, cmd, arg); - - return -ENOTTY; -} - /* Handle 32-bit COMEDI_CHANINFO ioctl. */ static int compat_chaninfo(struct file *file, unsigned long arg) { @@ -2912,7 +2902,7 @@ static int compat_chaninfo(struct file *file, unsigned long arg) if (err) return -EFAULT; - return translated_ioctl(file, COMEDI_CHANINFO, (unsigned long)chaninfo); + return comedi_unlocked_ioctl(file, COMEDI_CHANINFO, (unsigned long)chaninfo); } /* Handle 32-bit COMEDI_RANGEINFO ioctl. */ @@ -2942,7 +2932,7 @@ static int compat_rangeinfo(struct file *file, unsigned long arg) if (err) return -EFAULT; - return translated_ioctl(file, COMEDI_RANGEINFO, + return comedi_unlocked_ioctl(file, COMEDI_RANGEINFO, (unsigned long)rangeinfo); } @@ -3063,7 +3053,7 @@ static int compat_cmd(struct file *file, unsigned long arg) if (rc) return rc; - rc = translated_ioctl(file, COMEDI_CMD, (unsigned long)cmd); + rc = comedi_unlocked_ioctl(file, COMEDI_CMD, (unsigned long)cmd); if (rc == -EAGAIN) { /* Special case: copy cmd back to user. */ err = put_compat_cmd(cmd32, cmd); @@ -3088,7 +3078,7 @@ static int compat_cmdtest(struct file *file, unsigned long arg) if (rc) return rc; - rc = translated_ioctl(file, COMEDI_CMDTEST, (unsigned long)cmd); + rc = comedi_unlocked_ioctl(file, COMEDI_CMDTEST, (unsigned long)cmd); if (rc < 0) return rc; @@ -3174,7 +3164,7 @@ static int compat_insnlist(struct file *file, unsigned long arg) return rc; } - return translated_ioctl(file, COMEDI_INSNLIST, + return comedi_unlocked_ioctl(file, COMEDI_INSNLIST, (unsigned long)&s->insnlist); } @@ -3192,7 +3182,7 @@ static int compat_insn(struct file *file, unsigned long arg) if (rc) return rc; - return translated_ioctl(file, COMEDI_INSN, (unsigned long)insn); + return comedi_unlocked_ioctl(file, COMEDI_INSN, (unsigned long)insn); } /* @@ -3212,7 +3202,7 @@ static long comedi_compat_ioctl(struct file *file, unsigned int cmd, unsigned lo case COMEDI_BUFINFO: /* Just need to translate the pointer argument. */ arg = (unsigned long)compat_ptr(arg); - rc = translated_ioctl(file, cmd, arg); + rc = comedi_unlocked_ioctl(file, cmd, arg); break; case COMEDI_LOCK: case COMEDI_UNLOCK: @@ -3221,7 +3211,7 @@ static long comedi_compat_ioctl(struct file *file, unsigned int cmd, unsigned lo case COMEDI_SETRSUBD: case COMEDI_SETWSUBD: /* No translation needed. */ - rc = translated_ioctl(file, cmd, arg); + rc = comedi_unlocked_ioctl(file, cmd, arg); break; case COMEDI32_CHANINFO: rc = compat_chaninfo(file, arg); |