Monitor: mdadm --wait-clean /dev/mdX, the dev should
be a block file, otherwise fd2devnm returns NULL and
then triggers core dumped.
Signed-off-by: Zhilong Liu <zlliu@xxxxxxxx>
---
Monitor.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/Monitor.c b/Monitor.c
index f8850d3..5a2b5ca 100644
--- a/Monitor.c
+++ b/Monitor.c
@@ -1065,7 +1065,17 @@ int WaitClean(char *dev, int sock, int verbose)
struct mdinfo *mdi;
int rv = 1;
char devnm[32];
+ struct stat stb;
+ if (stat(dev, &stb) != 0) {
+ pr_err("Cannot find %s: %s\n", dev,
+ strerror(errno));
+ return 2;
+ }
+ if ((S_IFMT & stb.st_mode) != S_IFBLK) {
+ pr_err("%s is not a block device.\n", dev);
+ return 2;
+ }
fd = open(dev, O_RDONLY);
if (fd < 0) {
if (verbose)
--
2.6.6
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