From: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> Subject: Documentation/kcov: define `ip' in the example The example code uses the variable `ip' but never declares it. Declare `ip' as a 64bit variable which is the same type as the array from which it loads its value. Link: https://lkml.kernel.org/r/20210923164741.1859522-3-bigeasy@xxxxxxxxxxxxx Link: https://lore.kernel.org/r/20210830172627.267989-3-bigeasy@xxxxxxxxxxxxx Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> Acked-by: Dmitry Vyukov <dvyukov@xxxxxxxxxx> Acked-by: Marco Elver <elver@xxxxxxxxxx> Tested-by: Marco Elver <elver@xxxxxxxxxx> Reviewed-by: Andrey Konovalov <andreyknvl@xxxxxxxxx> Cc: Clark Williams <williams@xxxxxxxxxx> Cc: Steven Rostedt <rostedt@xxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- Documentation/dev-tools/kcov.rst | 2 ++ 1 file changed, 2 insertions(+) --- a/Documentation/dev-tools/kcov.rst~documentation-kcov-define-ip-in-the-example +++ a/Documentation/dev-tools/kcov.rst @@ -178,6 +178,8 @@ Comparison operands collection is simila /* Read number of comparisons collected. */ n = __atomic_load_n(&cover[0], __ATOMIC_RELAXED); for (i = 0; i < n; i++) { + uint64_t ip; + type = cover[i * KCOV_WORDS_PER_CMP + 1]; /* arg1 and arg2 - operands of the comparison. */ arg1 = cover[i * KCOV_WORDS_PER_CMP + 2]; _
