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Clang warns when multiple pairs of parentheses are used for a single
conditional statement.
drivers/misc/echo/echo.c:384:27: warning: equality comparison with
extraneous parentheses [-Wparentheses-equality]
if ((ec->nonupdate_dwell == 0)) {
~~~~~~~~~~~~~~~~~~~~^~~~
drivers/misc/echo/echo.c:384:27: note: remove extraneous parentheses
around the comparison to silence this warning
if ((ec->nonupdate_dwell == 0)) {
~ ^ ~
drivers/misc/echo/echo.c:384:27: note: use '=' to turn this equality
comparison into an assignment
if ((ec->nonupdate_dwell == 0)) {
^~
=
1 warning generated.
Remove them and while we're at it, simplify the zero check as '!var' is
used more than 'var == 0'.
Reported-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove Blackfin DSP echo support
Signed-off-by: Aaron Wu <aaron.wu@analog.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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The code is clean, there are users of it, so it doesn't belong in
staging anymore, move it to drivers/misc/.
Cc: Steve Underwood <steveu@coppice.org>
Cc: David Rowe <david@rowetel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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