git: ba058d44b372 - stable/13 - procfs_doprocfile(): simplify

The branch stable/13 has been updated by kib:

URL: https://cgit.FreeBSD.org/src/commit/?id=ba058d44b3724ba3516e71ee204f806d1031eb1f

commit ba058d44b3724ba3516e71ee204f806d1031eb1f
Author:     Konstantin Belousov <kib@FreeBSD.org>
AuthorDate: 2021-11-04 03:58:06 +0000
Commit:     Konstantin Belousov <kib@FreeBSD.org>
CommitDate: 2021-11-06 02:12:32 +0000

    procfs_doprocfile(): simplify
    
    (cherry picked from commit 15bd9fa3bea794054b4a5bd2f4bb71b0ba3aa3ba)
---
 sys/fs/procfs/procfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/fs/procfs/procfs.c b/sys/fs/procfs/procfs.c
index 697bbfc9877a..38cfb4752279 100644
--- a/sys/fs/procfs/procfs.c
+++ b/sys/fs/procfs/procfs.c
@@ -77,7 +77,7 @@ procfs_doprocfile(PFS_FILL_ARGS)
 	PROC_LOCK(p);
 	error = proc_get_binpath(p, binpath, &fullpath, &freepath);
 	if (error == 0)
-		sbuf_printf(sb, "%s", fullpath == NULL ? "" : fullpath);
+		sbuf_cat(sb, fullpath);
 	free(binpath, M_TEMP);
 	free(freepath, M_TEMP);
 	return (error);