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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-03-10 07:31:51 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-03-10 07:31:51 +0100 |
| commit | 046cc01be6b9d139b49dfc396b7201c633ff1a26 (patch) | |
| tree | 529f902da1c2ef691ac83491547d816704ac1a83 /kernel/trace/trace.c | |
| parent | 74fc34937d72d04e89e4f75ea66147cdc9b785f5 (diff) | |
| parent | 80e54e84911a923c40d7bee33a34c1b4be148d7a (diff) | |
| download | linux-next-046cc01be6b9d139b49dfc396b7201c633ff1a26.tar.gz linux-next-046cc01be6b9d139b49dfc396b7201c633ff1a26.zip | |
Merge 6.14-rc6 into char-misc-next
We need the fixes in here as well to build on top of.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/trace/trace.c')
| -rw-r--r-- | kernel/trace/trace.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 1496a5ac33ae..0e6d517e74e0 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -5977,8 +5977,6 @@ static int __tracing_resize_ring_buffer(struct trace_array *tr, ssize_t tracing_resize_ring_buffer(struct trace_array *tr, unsigned long size, int cpu_id) { - int ret; - guard(mutex)(&trace_types_lock); if (cpu_id != RING_BUFFER_ALL_CPUS) { @@ -5987,11 +5985,7 @@ ssize_t tracing_resize_ring_buffer(struct trace_array *tr, return -EINVAL; } - ret = __tracing_resize_ring_buffer(tr, size, cpu_id); - if (ret < 0) - ret = -ENOMEM; - - return ret; + return __tracing_resize_ring_buffer(tr, size, cpu_id); } static void update_last_data(struct trace_array *tr) @@ -8285,6 +8279,10 @@ static int tracing_buffers_mmap(struct file *filp, struct vm_area_struct *vma) struct trace_iterator *iter = &info->iter; int ret = 0; + /* Currently the boot mapped buffer is not supported for mmap */ + if (iter->tr->flags & TRACE_ARRAY_FL_BOOT) + return -ENODEV; + ret = get_snapshot_map(iter->tr); if (ret) return ret; |