From 545ec2c7945bf7d22d0779e7dc9bf16f7dd9ae34 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sat, 21 Apr 2012 18:42:19 -0400 Subject: switch fcntl to fget_raw_light/fput_light Signed-off-by: Al Viro --- fs/fcntl.c | 42 +++++++++++++++++------------------------- 1 file changed, 17 insertions(+), 25 deletions(-) (limited to 'fs/fcntl.c') diff --git a/fs/fcntl.c b/fs/fcntl.c index d078b75572a7..81b70e665bf0 100644 --- a/fs/fcntl.c +++ b/fs/fcntl.c @@ -442,28 +442,24 @@ static int check_fcntl_cmd(unsigned cmd) SYSCALL_DEFINE3(fcntl, unsigned int, fd, unsigned int, cmd, unsigned long, arg) { struct file *filp; + int fput_needed; long err = -EBADF; - filp = fget_raw(fd); + filp = fget_raw_light(fd, &fput_needed); if (!filp) goto out; if (unlikely(filp->f_mode & FMODE_PATH)) { - if (!check_fcntl_cmd(cmd)) { - fput(filp); - goto out; - } + if (!check_fcntl_cmd(cmd)) + goto out1; } err = security_file_fcntl(filp, cmd, arg); - if (err) { - fput(filp); - return err; - } + if (!err) + err = do_fcntl(fd, cmd, arg, filp); - err = do_fcntl(fd, cmd, arg, filp); - - fput(filp); +out1: + fput_light(filp, fput_needed); out: return err; } @@ -473,26 +469,21 @@ SYSCALL_DEFINE3(fcntl64, unsigned int, fd, unsigned int, cmd, unsigned long, arg) { struct file * filp; - long err; + long err = -EBADF; + int fput_needed; - err = -EBADF; - filp = fget_raw(fd); + filp = fget_raw_light(fd, &fput_needed); if (!filp) goto out; if (unlikely(filp->f_mode & FMODE_PATH)) { - if (!check_fcntl_cmd(cmd)) { - fput(filp); - goto out; - } + if (!check_fcntl_cmd(cmd)) + goto out1; } err = security_file_fcntl(filp, cmd, arg); - if (err) { - fput(filp); - return err; - } - err = -EBADF; + if (err) + goto out1; switch (cmd) { case F_GETLK64: @@ -507,7 +498,8 @@ SYSCALL_DEFINE3(fcntl64, unsigned int, fd, unsigned int, cmd, err = do_fcntl(fd, cmd, arg, filp); break; } - fput(filp); +out1: + fput_light(filp, fput_needed); out: return err; } -- cgit v1.2.3-55-g7522