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Date: Tue, 05 Jan 2010 20:42:01 -0800 (PST) From: David Miller <davem@...emloft.net> To: heiko.carstens@...ibm.com Cc: arjan@...radead.org, arnd@...db.de, mingo@...e.hu, akpm@...ux-foundation.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH] sparc: copy_from_user() should not return -EFAULT From: Heiko Carstens <heiko.carstens@...ibm.com> Date: Tue, 5 Jan 2010 16:22:15 +0100 > Subject: [PATCH] sparc: copy_from_user() should not return -EFAULT > > From: Heiko Carstens <heiko.carstens@...ibm.com> > > Callers of copy_from_user() expect it to return the number of bytes > it could not copy. In no case it is supposed to return -EFAULT. > > In case of a detected buffer overflow just return the requested > length. In addition one could think of a memset that would clear > the size of the target object. > > Signed-off-by: Heiko Carstens <heiko.carstens@...ibm.com> Applied, thanks again for catching this. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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