Re: [PATCH 3/5] Add median filter
flat view
From: Andrew Morton <akpm@linux-foundation.org>
Date: 2009-01-15 23:49:05
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lkml
On Tue, 13 Jan 2009 18:39:55 -0500 Nelson [off-list ref] wrote:
quoted hunk ↗ jump to hunk
+static void ts_filter_median_del(int *p, int value, int count) +{ + int index; + + for (index = 0; index < count; index++) + if (p[index] == value) { + for (; index < count; index++) + p[index] = p[index + 1]; + return; + } +} + + +static void ts_filter_median_clear_internal(struct ts_filter *tsf) +{ + struct ts_filter_median *tsfm = (struct ts_filter_median *)tsf; + + tsfm->pos = 0; + tsfm->valid = 0; + +} +static void ts_filter_median_clear(struct ts_filter *tsf) +{ + ts_filter_median_clear_internal(tsf); + + if (tsf->next) /* chain */ + (tsf->next->api->clear)(tsf->next); +}
Again, the code seems to do an awful lot of browsing over exernally-visible data structures while holding no locks.