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(parent: 7d683a0) | patch
fcntl: return -EFAULT if copy_to_user fails
authorDan Carpenter <error27@gmail.com>
Thu, 3 Jun 2010 10:35:42 +0000 (12:35 +0200)
committerAl Viro <viro@zeniv.linux.org.uk>
Fri, 4 Jun 2010 21:16:28 +0000 (17:16 -0400)
commit5b54470daded19d83ea2bbf5f6bc12662942cd63
tree93ac73e7eba1231c863903cd814d12f4cb935b1etree | snapshot
parent7d683a09990ff095a91b6e724ecee0ff8733274acommit | diff
fcntl: return -EFAULT if copy_to_user fails

copy_to_user() returns the number of bytes remaining, but we want to
return -EFAULT.
ret = fcntl(fd, F_SETOWN_EX, NULL);
With the original code ret would be 8 here.

V2: Takuya Yoshikawa pointed out a similar issue in f_getown_ex()

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
fs/fcntl.c diff | blob | history
Domain: System / Uncategorized;