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-rw-r--r--fs/select.c31
1 files changed, 13 insertions, 18 deletions
diff --git a/fs/select.c b/fs/select.c
index db14c781335e..2ef72d965036 100644
--- a/fs/select.c
+++ b/fs/select.c
@@ -220,8 +220,7 @@ static void __pollwait(struct file *filp, wait_queue_head_t *wait_address,
struct poll_table_entry *entry = poll_get_entry(pwq);
if (!entry)
return;
- get_file(filp);
- entry->filp = filp;
+ entry->filp = get_file(filp);
entry->wait_address = wait_address;
entry->key = p->_key;
init_waitqueue_func_entry(&entry->wait, pollwake);
@@ -429,8 +428,6 @@ int do_select(int n, fd_set_bits *fds, struct timespec *end_time)
for (i = 0; i < n; ++rinp, ++routp, ++rexp) {
unsigned long in, out, ex, all_bits, bit = 1, mask, j;
unsigned long res_in = 0, res_out = 0, res_ex = 0;
- const struct file_operations *f_op = NULL;
- struct file *file = NULL;
in = *inp++; out = *outp++; ex = *exp++;
all_bits = in | out | ex;
@@ -440,20 +437,21 @@ int do_select(int n, fd_set_bits *fds, struct timespec *end_time)
}
for (j = 0; j < BITS_PER_LONG; ++j, ++i, bit <<= 1) {
- int fput_needed;
+ struct fd f;
if (i >= n)
break;
if (!(bit & all_bits))
continue;
- file = fget_light(i, &fput_needed);
- if (file) {
- f_op = file->f_op;
+ f = fdget(i);
+ if (f.file) {
+ const struct file_operations *f_op;
+ f_op = f.file->f_op;
mask = DEFAULT_POLLMASK;
if (f_op && f_op->poll) {
wait_key_set(wait, in, out, bit);
- mask = (*f_op->poll)(file, wait);
+ mask = (*f_op->poll)(f.file, wait);
}
- fput_light(file, fput_needed);
+ fdput(f);
if ((mask & POLLIN_SET) && (in & bit)) {
res_in |= bit;
retval++;
@@ -726,20 +724,17 @@ static inline unsigned int do_pollfd(struct pollfd *pollfd, poll_table *pwait)
mask = 0;
fd = pollfd->fd;
if (fd >= 0) {
- int fput_needed;
- struct file * file;
-
- file = fget_light(fd, &fput_needed);
+ struct fd f = fdget(fd);
mask = POLLNVAL;
- if (file != NULL) {
+ if (f.file) {
mask = DEFAULT_POLLMASK;
- if (file->f_op && file->f_op->poll) {
+ if (f.file->f_op && f.file->f_op->poll) {
pwait->_key = pollfd->events|POLLERR|POLLHUP;
- mask = file->f_op->poll(file, pwait);
+ mask = f.file->f_op->poll(f.file, pwait);
}
/* Mask out unneeded events. */
mask &= pollfd->events | POLLERR | POLLHUP;
- fput_light(file, fput_needed);
+ fdput(f);
}
}
pollfd->revents = mask;
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