(2010/06/03 19:04), Dan Carpenter wrote:
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.
Signed-off-by: Dan Carpenter<error27@xxxxxxxxx>
How about f_getown_ex() ?
if (!ret)
ret = copy_to_user(owner_p, &owner, sizeof(owner));
return ret;
Fixing this too would be better, I think.
Takuya
diff --git a/fs/fcntl.c b/fs/fcntl.c
index f74d270..0ea7b0f 100644
--- a/fs/fcntl.c
+++ b/fs/fcntl.c
@@ -274,7 +274,7 @@ static int f_setown_ex(struct file *filp, unsigned long arg)
ret = copy_from_user(&owner, owner_p, sizeof(owner));
if (ret)
- return ret;
+ return -EFAULT;
switch (owner.type) {
case F_OWNER_TID:
--
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