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[Bug 937545] [NEW] Coverity NO_EFFECT - CID 10486

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From: Launchpad Bug Tracker <937545@xxxxxxxxxxxxxxxxxx>
Date: Tue, 11 Feb 2014 11:43:34 -0000
Reply-to: Bug 937545 <937545@xxxxxxxxxxxxxxxxxx>
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This bug is exported from the Coverity Integration Manager on Canonical's servers. For information on how this is done please see this website: https://wiki.ubuntu.com/CanonicalProductStrategy/Coverity
CID: 10486
Checker: NO_EFFECT
Category: unsigned_compare_macros
CWE definition: http://cwe.mitre.org/data/definitions/398.html
File: /tmp/buildd/notify-osd-0.9.33/egg/egg-alpha.c
Function: egg_exp_dec_func()
Code snippet:
1015   n_frames = egg_timeline_get_n_frames (timeline);
1016 
1017   x =  (x_alpha_max * (n_frames - frame)) / n_frames;
1018 
CID 10486 - NO_EFFECT
This less-than-zero comparison of an unsigned value is never true. "egg_pow2x(x) - 1U < 0U".
1019   result = CLAMP (egg_pow2x (x) - 1, 0, EGG_ALPHA_MAX_ALPHA);
1020 
1021   return result;
1022 }

** Affects: notify-osd (Ubuntu)
     Importance: Medium
         Status: New

** Affects: notify-osd/oneiric
     Importance: Undecided
         Status: New


** Tags: coverity coverity-no-effect
-- 
Coverity NO_EFFECT - CID 10486
https://bugs.launchpad.net/bugs/937545
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