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authorAl Viro <viro@zeniv.linux.org.uk>2013-01-23 17:07:38 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2013-02-22 23:31:31 -0500
commit496ad9aa8ef448058e36ca7a787c61f2e63f0f54 (patch)
tree8f4abde793cd7db5bb8fde6d27ebcacd0e54379a /arch/mips/kernel/rtlx.c
parent57eccb830f1cc93d4b506ba306d8dfa685e0c88f (diff)
new helper: file_inode(file)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/mips/kernel/rtlx.c')
-rw-r--r--arch/mips/kernel/rtlx.c13
1 files changed, 4 insertions, 9 deletions
diff --git a/arch/mips/kernel/rtlx.c b/arch/mips/kernel/rtlx.c
index b8c18dcdd2c4..88f7b50d541c 100644
--- a/arch/mips/kernel/rtlx.c
+++ b/arch/mips/kernel/rtlx.c
@@ -399,11 +399,9 @@ static int file_release(struct inode *inode, struct file *filp)
static unsigned int file_poll(struct file *file, poll_table * wait)
{
- int minor;
+ int minor = iminor(file_inode(file));
unsigned int mask = 0;
- minor = iminor(file->f_path.dentry->d_inode);
-
poll_wait(file, &channel_wqs[minor].rt_queue, wait);
poll_wait(file, &channel_wqs[minor].lx_queue, wait);
@@ -424,7 +422,7 @@ static unsigned int file_poll(struct file *file, poll_table * wait)
static ssize_t file_read(struct file *file, char __user * buffer, size_t count,
loff_t * ppos)
{
- int minor = iminor(file->f_path.dentry->d_inode);
+ int minor = iminor(file_inode(file));
/* data available? */
if (!rtlx_read_poll(minor, (file->f_flags & O_NONBLOCK) ? 0 : 1)) {
@@ -437,11 +435,8 @@ static ssize_t file_read(struct file *file, char __user * buffer, size_t count,
static ssize_t file_write(struct file *file, const char __user * buffer,
size_t count, loff_t * ppos)
{
- int minor;
- struct rtlx_channel *rt;
-
- minor = iminor(file->f_path.dentry->d_inode);
- rt = &rtlx->channel[minor];
+ int minor = iminor(file_inode(file));
+ struct rtlx_channel *rt = &rtlx->channel[minor];
/* any space left... */
if (!rtlx_write_poll(minor)) {