[PATCH] trace: Fix some typos in comment

[Qiujun Huang <hqjagain@gmail.com>]

s/wihin/within/
s/retrieven/retrieved/
s/suppport/support/
s/wil/will/
s/accidently/accidentally/
s/if the if the/if the/

Signed-off-by: Qiujun Huang <hqjagain@gmail.com>
---
 kernel/trace/trace.c | 4 ++--
 kernel/trace/trace.h | 8 ++++----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index d3e5de717df2..2fae027a9fe5 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -9432,7 +9432,7 @@ __init static int tracer_alloc_buffers(void)
 	}
 
 	/*
-	 * Make sure we don't accidently add more trace options
+	 * Make sure we don't accidentally add more trace options
 	 * than we have bits for.
 	 */
 	BUILD_BUG_ON(TRACE_ITER_LAST_BIT > TRACE_FLAGS_MAX_SIZE);
@@ -9461,7 +9461,7 @@ __init static int tracer_alloc_buffers(void)
 
 	/*
 	 * The prepare callbacks allocates some memory for the ring buffer. We
-	 * don't free the buffer if the if the CPU goes down. If we were to free
+	 * don't free the buffer if the CPU goes down. If we were to free
 	 * the buffer, then the user would lose any trace that was in the
 	 * buffer. The memory will be removed once the "instance" is removed.
 	 */
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 610d21355526..d7d0764af062 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -246,7 +246,7 @@ typedef bool (*cond_update_fn_t)(struct trace_array *tr, void *cond_data);
  * tracing_snapshot_cond(tr, cond_data), the cond_data passed in is
  * passed in turn to the cond_snapshot.update() function.  That data
  * can be compared by the update() implementation with the cond_data
- * contained wihin the struct cond_snapshot instance associated with
+ * contained within the struct cond_snapshot instance associated with
  * the trace_array.  Because the tr->max_lock is held throughout the
  * update() call, the update() function can directly retrieve the
  * cond_snapshot and cond_data associated with the per-instance
@@ -271,7 +271,7 @@ typedef bool (*cond_update_fn_t)(struct trace_array *tr, void *cond_data);
  *	take the snapshot, by returning 'true' if so, 'false' if no
  *	snapshot should be taken.  Because the max_lock is held for
  *	the duration of update(), the implementation is safe to
- *	directly retrieven and save any implementation data it needs
+ *	directly retrieved and save any implementation data it needs
  *	to in association with the snapshot.
  */
 struct cond_snapshot {
@@ -573,7 +573,7 @@ struct tracer {
  *   The function callback, which can use the FTRACE bits to
  *    check for recursion.
  *
- * Now if the arch does not suppport a feature, and it calls
+ * Now if the arch does not support a feature, and it calls
  * the global list function which calls the ftrace callback
  * all three of these steps will do a recursion protection.
  * There's no reason to do one if the previous caller already
@@ -1472,7 +1472,7 @@ __trace_event_discard_commit(struct trace_buffer *buffer,
 /*
  * Helper function for event_trigger_unlock_commit{_regs}().
  * If there are event triggers attached to this event that requires
- * filtering against its fields, then they wil be called as the
+ * filtering against its fields, then they will be called as the
  * entry already holds the field information of the current event.
  *
  * It also checks if the event should be discarded or not.
-- 
2.17.1