New SYSDATA_TASKNAME feature flag to track when taskname append is enabled.
Additional check in count_extradata_entries() to include taskname in total, counting it as an entry in extradata. This function is used to check if we are not overflowing the number of extradata items.
Signed-off-by: Breno Leitao leitao@debian.org Reviewed-by: Simon Horman horms@kernel.org --- drivers/net/netconsole.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c index 96153fd01f46e..f46a0edf9c11e 100644 --- a/drivers/net/netconsole.c +++ b/drivers/net/netconsole.c @@ -104,6 +104,8 @@ struct netconsole_target_stats { enum sysdata_feature { /* Populate the CPU that sends the message */ SYSDATA_CPU_NR = BIT(0), + /* Populate the task name (as in current->comm) in sysdata */ + SYSDATA_TASKNAME = BIT(1), };
/** @@ -701,6 +703,8 @@ static size_t count_extradata_entries(struct netconsole_target *nt) /* Plus sysdata entries */ if (nt->sysdata_fields & SYSDATA_CPU_NR) entries += 1; + if (nt->sysdata_fields & SYSDATA_TASKNAME) + entries += 1;
return entries; }