Support print type '%pd' for print dentry's or file's name.
Signed-off-by: Ye Bin <yebi...@huawei.com>
---
kernel/trace/trace_fprobe.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/kernel/trace/trace_fprobe.c b/kernel/trace/trace_fprobe.c
index 7d2ddbcfa377..988d68e906ad 100644
--- a/kernel/trace/trace_fprobe.c
+++ b/kernel/trace/trace_fprobe.c
@@ -976,6 +976,7 @@ static int __trace_fprobe_create(int argc, const char
*argv[])
char gbuf[MAX_EVENT_NAME_LEN];
char sbuf[KSYM_NAME_LEN];
char abuf[MAX_BTF_ARGS_LEN];
+ char *dbuf = NULL;
bool is_tracepoint = false;
struct tracepoint *tpoint = NULL;
struct traceprobe_parse_context ctx = {
@@ -1086,6 +1087,10 @@ static int __trace_fprobe_create(int argc, const char
*argv[])
argv = new_argv;
}
+ ret = traceprobe_expand_dentry_args(argc, argv, &dbuf);
+ if (ret)
+ goto out;
+
/* setup a probe */
tf = alloc_trace_fprobe(group, event, symbol, tpoint, maxactive,
argc, is_return);
@@ -1131,6 +1136,7 @@ static int __trace_fprobe_create(int argc, const char
*argv[])
trace_probe_log_clear();
kfree(new_argv);
kfree(symbol);
+ kfree(dbuf);
return ret;
parse_error:
--
2.31.1
