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| author | Al Viro <viro@zeniv.linux.org.uk> | 2016-04-20 17:08:21 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2016-05-02 19:49:28 -0400 |
| commit | 63b6df14134ddd048984c8afadb46e721815bfc6 (patch) | |
| tree | 7fecdc7f3ee6d9780b3fa5328a0acd1bb739b16e /fs/readdir.c | |
| parent | 9902af79c01a8e39bb99b922fa3eef6d4ea23d69 (diff) | |
| download | linux-63b6df14134ddd048984c8afadb46e721815bfc6.tar.gz linux-63b6df14134ddd048984c8afadb46e721815bfc6.tar.bz2 linux-63b6df14134ddd048984c8afadb46e721815bfc6.zip | |
give readdir(2)/getdents(2)/etc. uniform exclusion with lseek()
same as read() on regular files has, and for the same reason.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/readdir.c')
| -rw-r--r-- | fs/readdir.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/fs/readdir.c b/fs/readdir.c index bf583e848a1a..d7308b8f6cf7 100644 --- a/fs/readdir.c +++ b/fs/readdir.c @@ -112,7 +112,7 @@ SYSCALL_DEFINE3(old_readdir, unsigned int, fd, struct old_linux_dirent __user *, dirent, unsigned int, count) { int error; - struct fd f = fdget(fd); + struct fd f = fdget_pos(fd); struct readdir_callback buf = { .ctx.actor = fillonedir, .dirent = dirent @@ -125,7 +125,7 @@ SYSCALL_DEFINE3(old_readdir, unsigned int, fd, if (buf.result) error = buf.result; - fdput(f); + fdput_pos(f); return error; } @@ -209,7 +209,7 @@ SYSCALL_DEFINE3(getdents, unsigned int, fd, if (!access_ok(VERIFY_WRITE, dirent, count)) return -EFAULT; - f = fdget(fd); + f = fdget_pos(fd); if (!f.file) return -EBADF; @@ -223,7 +223,7 @@ SYSCALL_DEFINE3(getdents, unsigned int, fd, else error = count - buf.count; } - fdput(f); + fdput_pos(f); return error; } @@ -290,7 +290,7 @@ SYSCALL_DEFINE3(getdents64, unsigned int, fd, if (!access_ok(VERIFY_WRITE, dirent, count)) return -EFAULT; - f = fdget(fd); + f = fdget_pos(fd); if (!f.file) return -EBADF; @@ -305,6 +305,6 @@ SYSCALL_DEFINE3(getdents64, unsigned int, fd, else error = count - buf.count; } - fdput(f); + fdput_pos(f); return error; } |