On Tue, May 20, 2014 at 09:16:59PM +0200, Tomasz Figa wrote: > To me having NULL as either data argument of buffer done callback or > private_data would be a serious driver bug and IMHO it's better to let > it crash with a NULL pointer dereference to let someone notice than mask > it by adding a condition. >
Please, no. Regardless of who is at fault, crashes in library code are insanely frustrating to application developers. Error codes can be handled nicely and expressed to the user as an error message. Crashes are hideous for end users and usually end up being support nightmares for developers. Related: https://git.kernel.org/cgit/linux/kernel/git/kay/libabc.git/tree/README?id=0573b57c7bdb4c82d6acd62f7923a6503f4f679a#n126 Andrew -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/