From: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Date: Sun, 10 Dec 2006 02:03:51 +0000 (-0200)
Subject: [DCCP]: Debug timeval operations
X-Git-Tag: v2.6.20-rc1~146^2~12^2~19
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0f9e5b573f7249b0e04a03457b55081d1f60f2bf;p=pandora-kernel.git

[DCCP]: Debug timeval operations

Problem:

 Most target types in the CCID3 code are u32, so subtle conversion errors
 can occur if signed time calculations yield negative results: the original
 values are lost in the conversion to unsigned, calculation errors go undetected.

 This patch therefore
   * sets all critical time types from unsigned to suseconds_t
   * avoids comparison between signed/unsigned via type-casting
   * provides ample warning messages in case time calculations are negative

 These warning messages can be removed at a later stage when the code
 has undergone more testing.

Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Acked-by: Ian McDonald <ian.mcdonald@jandi.co.nz>
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
---

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