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authorJonathan Corbet <corbet@lwn.net>2009-02-01 14:52:56 -0700
committerJonathan Corbet <corbet@lwn.net>2009-03-16 08:34:35 -0600
commit60aa49243d09afc873f082567d2e3c16634ced84 (patch)
treebb7c8d9668b35a3aa4e90d0a62500ac9d3e67f7f /ipc
parent76398425bb06b07cc3a3b1ce169c67dc9d6874ed (diff)
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Rationalize fasync return values
Most fasync implementations do something like: return fasync_helper(...); But fasync_helper() will return a positive value at times - a feature used in at least one place. Thus, a number of other drivers do: err = fasync_helper(...); if (err < 0) return err; return 0; In the interests of consistency and more concise code, it makes sense to map positive return values onto zero where ->fasync() is called. Cc: Al Viro <viro@ZenIV.linux.org.uk> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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