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authorTakashi Sakamoto <o-takashi@sakamocchi.jp>2020-05-03 13:57:18 +0900
committerTakashi Iwai <tiwai@suse.de>2020-05-03 09:24:44 +0200
commit1034872123a06b759aba772b1c99612ccb8e632a (patch)
tree39135e8a033cfedd6fe7d47d87befd262ed4e1d9 /sound
parent073919e09ca445d4486968e3f851372ff44cf2b5 (diff)
downloadlinux-1034872123a06b759aba772b1c99612ccb8e632a.tar.bz2
ALSA: firewire-lib: fix 'function sizeof not defined' error of tracepoints format
The snd-firewire-lib.ko has 'amdtp-packet' event of tracepoints. Current printk format for the event includes 'sizeof(u8)' macro expected to be extended in compilation time. However, this is not done. As a result, perf tools cannot parse the event for printing: $ mount -l -t debugfs debugfs on /sys/kernel/debug type debugfs (rw,nosuid,nodev,noexec,relatime) $ cat /sys/kernel/debug/tracing/events/snd_firewire_lib/amdtp_packet/format ... print fmt: "%02u %04u %04x %04x %02d %03u %02u %03u %02u %01u %02u %s", REC->second, REC->cycle, REC->src, REC->dest, REC->channel, REC->payload_quadlets, REC->data_blocks, REC->data_block_counter, REC->packet_index, REC->irq, REC->index, __print_array(__get_dynamic_array(cip_header), __get_dynamic_array_len(cip_header), sizeof(u8)) $ sudo perf record -e snd_firewire_lib:amdtp_packet [snd_firewire_lib:amdtp_packet] function sizeof not defined Error: expected type 5 but read 0 This commit fixes it by obsoleting the macro with actual size. Cc: <stable@vger.kernel.org> Fixes: bde2bbdb307a ("ALSA: firewire-lib: use dynamic array for CIP header of tracing events") Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Link: https://lore.kernel.org/r/20200503045718.86337-1-o-takashi@sakamocchi.jp Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
-rw-r--r--sound/firewire/amdtp-stream-trace.h3
1 files changed, 1 insertions, 2 deletions
diff --git a/sound/firewire/amdtp-stream-trace.h b/sound/firewire/amdtp-stream-trace.h
index 16c7f6605511..26e7cb555d3c 100644
--- a/sound/firewire/amdtp-stream-trace.h
+++ b/sound/firewire/amdtp-stream-trace.h
@@ -66,8 +66,7 @@ TRACE_EVENT(amdtp_packet,
__entry->irq,
__entry->index,
__print_array(__get_dynamic_array(cip_header),
- __get_dynamic_array_len(cip_header),
- sizeof(u8)))
+ __get_dynamic_array_len(cip_header), 1))
);
#endif