ensure that the devnm should be a block device when uses
--wait parameter, such as the 'f' and 'd' type file would
be triggered core dumped.
Signed-off-by: Zhilong Liu <zlliu@xxxxxxxx>
diff --git a/Monitor.c b/Monitor.c
index 802a9d9..1900db3 100644
--- a/Monitor.c
+++ b/Monitor.c
@@ -1002,6 +1002,10 @@ int Wait(char *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;
+ }
strcpy(devnm, stat2devnm(&stb));
while(1) {
diff --git a/lib.c b/lib.c
index b640634..7116298 100644
--- a/lib.c
+++ b/lib.c
@@ -89,9 +89,6 @@ char *devid2kname(int devid)
char *stat2kname(struct stat *st)
{
- if ((S_IFMT & st->st_mode) != S_IFBLK)
- return NULL;
-
return devid2kname(st->st_rdev);
}
--
2.6.6
--
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