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| author | Alan Cox <alan@lxorguk.ukuu.org.uk> | 2008-07-25 01:48:13 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-25 10:53:43 -0700 |
| commit | 47be36a24defbd19aea1354c416ec99f291c7ab8 (patch) | |
| tree | 575f4cb98d9b2f18da600031d1ea9383aed4a441 /drivers/char/ip2 | |
| parent | 76528a42e2c5199a1208909318a9c9948d25d0b7 (diff) | |
| download | linux-rpi3-47be36a24defbd19aea1354c416ec99f291c7ab8.tar.gz linux-rpi3-47be36a24defbd19aea1354c416ec99f291c7ab8.tar.bz2 linux-rpi3-47be36a24defbd19aea1354c416ec99f291c7ab8.zip | |
ip2: push BKL down for the firmware interface
(The tty side is already done)
Signed-off-by: Alan Cox <alan@redhat.com>
Cc: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/char/ip2')
| -rw-r--r-- | drivers/char/ip2/ip2main.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/char/ip2/ip2main.c b/drivers/char/ip2/ip2main.c index 9cb48fcd316c..689f9dcd3b86 100644 --- a/drivers/char/ip2/ip2main.c +++ b/drivers/char/ip2/ip2main.c @@ -203,7 +203,7 @@ static int set_serial_info(i2ChanStrPtr, struct serial_struct __user *); static ssize_t ip2_ipl_read(struct file *, char __user *, size_t, loff_t *); static ssize_t ip2_ipl_write(struct file *, const char __user *, size_t, loff_t *); -static int ip2_ipl_ioctl(struct inode *, struct file *, UINT, ULONG); +static long ip2_ipl_ioctl(struct file *, UINT, ULONG); static int ip2_ipl_open(struct inode *, struct file *); static int DumpTraceBuffer(char __user *, int); @@ -236,7 +236,7 @@ static const struct file_operations ip2_ipl = { .owner = THIS_MODULE, .read = ip2_ipl_read, .write = ip2_ipl_write, - .ioctl = ip2_ipl_ioctl, + .unlocked_ioctl = ip2_ipl_ioctl, .open = ip2_ipl_open, }; @@ -2845,10 +2845,10 @@ ip2_ipl_write(struct file *pFile, const char __user *pData, size_t count, loff_t /* */ /* */ /******************************************************************************/ -static int -ip2_ipl_ioctl ( struct inode *pInode, struct file *pFile, UINT cmd, ULONG arg ) +static long +ip2_ipl_ioctl (struct file *pFile, UINT cmd, ULONG arg ) { - unsigned int iplminor = iminor(pInode); + unsigned int iplminor = iminor(pFile->f_path.dentry->d_inode); int rc = 0; void __user *argp = (void __user *)arg; ULONG __user *pIndex = argp; @@ -2859,6 +2859,8 @@ ip2_ipl_ioctl ( struct inode *pInode, struct file *pFile, UINT cmd, ULONG arg ) printk (KERN_DEBUG "IP2IPL: ioctl cmd %d, arg %ld\n", cmd, arg ); #endif + lock_kernel(); + switch ( iplminor ) { case 0: // IPL device rc = -EINVAL; @@ -2919,6 +2921,7 @@ ip2_ipl_ioctl ( struct inode *pInode, struct file *pFile, UINT cmd, ULONG arg ) rc = -ENODEV; break; } + unlock_kernel(); return rc; } |