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| author | Gerd Hoffmann <kraxel@redhat.com> | 2009-04-03 01:59:25 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-03 04:05:08 +0200 |
| commit | 10c7db279218eda4b19d29ee17db8a815b18d564 (patch) | |
| tree | 2ab1abd85e3f68a13d50f6c7f617d3999c138b54 | |
| parent | preadv/pwritev: MIPS: Add preadv(2) and pwritev(2) syscalls. (diff) | |
| download | linux-10c7db279218eda4b19d29ee17db8a815b18d564.tar.xz linux-10c7db279218eda4b19d29ee17db8a815b18d564.zip | |
preadv/pwritev: switch compat readv/preadv/writev/pwritev from fget to fget_light
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: <linux-api@vger.kernel.org>
Cc: <linux-arch@vger.kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | fs/compat.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/fs/compat.c b/fs/compat.c index 7c1615183d1e..440a019256dd 100644 --- a/fs/compat.c +++ b/fs/compat.c @@ -1222,13 +1222,14 @@ compat_sys_readv(unsigned long fd, const struct compat_iovec __user *vec, unsigned long vlen) { struct file *file; + int fput_needed; ssize_t ret; - file = fget(fd); + file = fget_light(fd, &fput_needed); if (!file) return -EBADF; ret = compat_readv(file, vec, vlen, &file->f_pos); - fput(file); + fput_light(file, fput_needed); return ret; } @@ -1238,15 +1239,16 @@ compat_sys_preadv(unsigned long fd, const struct compat_iovec __user *vec, { loff_t pos = ((loff_t)pos_high << 32) | pos_low; struct file *file; + int fput_needed; ssize_t ret; if (pos < 0) return -EINVAL; - file = fget(fd); + file = fget_light(fd, &fput_needed); if (!file) return -EBADF; ret = compat_readv(file, vec, vlen, &pos); - fput(file); + fput_light(file, fput_needed); return ret; } @@ -1277,13 +1279,14 @@ compat_sys_writev(unsigned long fd, const struct compat_iovec __user *vec, unsigned long vlen) { struct file *file; + int fput_needed; ssize_t ret; - file = fget(fd); + file = fget_light(fd, &fput_needed); if (!file) return -EBADF; ret = compat_writev(file, vec, vlen, &file->f_pos); - fput(file); + fput_light(file, fput_needed); return ret; } @@ -1293,15 +1296,16 @@ compat_sys_pwritev(unsigned long fd, const struct compat_iovec __user *vec, { loff_t pos = ((loff_t)pos_high << 32) | pos_low; struct file *file; + int fput_needed; ssize_t ret; if (pos < 0) return -EINVAL; - file = fget(fd); + file = fget_light(fd, &fput_needed); if (!file) return -EBADF; ret = compat_writev(file, vec, vlen, &pos); - fput(file); + fput_light(file, fput_needed); return ret; } |