Signed-off-by: Thomas Jarosch <thomas.jarosch@xxxxxxxxxxxxx>
---
mdopen.c | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/mdopen.c b/mdopen.c
index 0a17421..555ab84 100644
--- a/mdopen.c
+++ b/mdopen.c
@@ -360,8 +360,12 @@ int create_mddev(char *dev, char *name, int autof, int trustworthy,
if (lstat(chosen, &stb) == 0) {
char buf[300];
+ ssize_t link_len = readlink(chosen, buf, sizeof(buf)-1);
+ if (link_len >= 0)
+ buf[link_len] = '\0';
+
if ((stb.st_mode & S_IFMT) != S_IFLNK ||
- readlink(chosen, buf, 300) <0 ||
+ link_len < 0 ||
strcmp(buf, devname) != 0) {
fprintf(stderr, Name ": %s exists - ignoring\n",
chosen);
--
1.7.4.4
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