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take rlimit check to callers of expand_files()

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... except for one in android, where the check is different
and already done in caller.  No need to recalculate rlimit
many times in alloc_fd() either.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-08-12 16:17:59 -04:00
parent 352e3b2492
commit f33ff9927f
2 changed files with 12 additions and 7 deletions
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3
fs/fcntl.c
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@ -64,6 +64,9 @@ SYSCALL_DEFINE3(dup3, unsigned int, oldfd, unsigned int, newfd, int, flags)
if (unlikely(oldfd == newfd))
return -EINVAL;
if (newfd >= rlimit(RLIMIT_NOFILE))
return -EMFILE;
spin_lock(&files->file_lock);
err = expand_files(files, newfd);
file = fcheck(oldfd);