From: Jens Axboe <axboe@suse.de>
Date: Mon, 17 Jul 2006 16:15:41 +0000 (+0200)
Subject: [PATCH] Use lstat() instead of stat() in sysfs lookup
X-Git-Tag: fio-1.6~4
X-Git-Url: https://git.kernel.dk/?p=fio.git;a=commitdiff_plain;h=3307d653f9cfc05b9c02e4cda91e6b45444dc1b0

[PATCH] Use lstat() instead of stat() in sysfs lookup

Otherwise we cannot detect the symlinks, and the directory
lookup will get into an infinite loop.
---

diff --git a/stat.c b/stat.c
index 4cc3b7e9..7f38d96d 100644
--- a/stat.c
+++ b/stat.c
@@ -156,8 +156,6 @@ static int find_block_dir(dev_t dev, char *path)
 
 		if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, ".."))
 			continue;
-		if (!strcmp(dir->d_name, "device"))
-			continue;
 
 		sprintf(full_path, "%s/%s", path, dir->d_name);
 
@@ -168,7 +166,7 @@ static int find_block_dir(dev_t dev, char *path)
 			}
 		}
 
-		if (stat(full_path, &st) == -1) {
+		if (lstat(full_path, &st) == -1) {
 			perror("stat");
 			break;
 		}