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ring-buffer: Drop unneeded check in ring_buffer_resize()
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Remove the cpumask check, as we has done it at the beginning of
the function.
Also fix a typo. s/also the on the/also on the/

Link: https://lkml.kernel.org/r/20201224144634.3210-1-hqjagain@gmail.com

Signed-off-by: Qiujun Huang <hqjagain@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
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Qiujun Huang authored and Steven Rostedt (VMware) committed Feb 2, 2021
1 parent 6689bed commit c6358ba
Showing 1 changed file with 1 addition and 5 deletions.
6 changes: 1 addition & 5 deletions kernel/trace/ring_buffer.c
Original file line number Diff line number Diff line change
Expand Up @@ -2059,10 +2059,6 @@ int ring_buffer_resize(struct trace_buffer *buffer, unsigned long size,

put_online_cpus();
} else {
/* Make sure this CPU has been initialized */
if (!cpumask_test_cpu(cpu_id, buffer->cpumask))
goto out;

cpu_buffer = buffer->buffers[cpu_id];

if (nr_pages == cpu_buffer->nr_pages)
Expand Down Expand Up @@ -2580,7 +2576,7 @@ rb_move_tail(struct ring_buffer_per_cpu *cpu_buffer,
* have filled up the buffer with events
* from interrupts and such, and wrapped.
*
* Note, if the tail page is also the on the
* Note, if the tail page is also on the
* reader_page, we let it move out.
*/
if (unlikely((cpu_buffer->commit_page !=
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