Re: [RFC][PATCH 5/5] target: check hex2bin result

["Nicholas A. Bellinger" <nab@xxxxxxxxxxxxxxx>]

On Fri, 2011-09-16 at 23:07 +0900, Tetsuo Handa wrote:
> Mimi Zohar wrote:
> > Now that hex2bin does error checking, on error add debugging error msg.
> 
> We are waiting for response from Nicholas, aren't we?
> Quotuing from http://www.spinics.net/linux/fedora/linux-security-module/msg11570.html :
> | I was assuming that, by adding error check, hex2bin() will leave the buffer
> | uninitialized in case of bad input because hex2bin() user in Linux 3.0 can
> | return errors. Now you are a new user of hex2bin() but your code cannot return
> | errors. Nicholas, how do you want to handle bad input?

Hi Folks,

There is another patch queued for v3.1-final to ensure that non hex
characters are skipped in target_emulate_evpd_83() when building the NAA
IEEE Registered Extended designator.

[PATCH-v2] target: Skip non hex characters for VPD=0x83 NAA IEEE Registered Extended
http://www.spinics.net/lists/target-devel/msg00607.html

Other than dropping this part from Mimi's patch, the two other warning
messages on conversion failure are OK in target_core_fabric_lib.c code.

I'm happy to queue a modified version of this one for v3.2.

--nab




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