perf top: Remove redundant 'err' variable

The variable 'err' in the perf_event__process_sample() is only used in
the only one judgment statement, it is not used in other places.

So, use the return value from hist_entry_iter__add() directly instead of
taking this in another redundant variable.

Signed-off-by: tangmeng <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: http://lore.kernel.org/lkml/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>

0 files changed, 0 insertions, 0 deletions