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Re: copy_to_user fails

In message <000a01c43063$dfe15a80$160aa8c0@dinesh>
   "copy_to_user fails"
   ""Dinesh" <dineshg@xxxxxxxxxxxxxxxx>" wrote:

> What can be the reason for failure of copy_to_user() on Pentium 3 with 512 MB RAM?

Hello,

Did you use the following sequence?
I think you can check the return value of copy_to_user().

mm_segment_t oldfs;
oldfs = get_fs(); set_fs(KERNEL_DS);
copy_to_user();
set_fs(oldfs);

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