/sys/block/ directory has been opened in snprint_devices, the handler
should be released when returned abnormally. Similar memory leak problem
happens in print_multipath_topology when carried out multipath -ll command.
Signed-off-by: Yingtai Xie <xieyingtai@xxxxxxxxxx>
---
libmultipath/print.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/libmultipath/print.c b/libmultipath/print.c
index 383eae4..916906f 100644
--- a/libmultipath/print.c
+++ b/libmultipath/print.c
@@ -890,6 +890,7 @@ print_multipath_topology (struct multipath * mpp, int verbosity)
}
} while (resize);
printf("%s", buff);
+ FREE(buff);
}
extern int
@@ -1427,8 +1428,10 @@ snprint_devices (char * buff, int len, struct vectors *vecs)
if (!(blkdir = opendir("/sys/block")))
return 1;
- if ((len - fwd - threshold) <= 0)
+ if ((len - fwd - threshold) <= 0) {
+ closedir(blkdir);
return len;
+ }
fwd += snprintf(buff + fwd, len - fwd, "available block devices:\n");
strcpy(devpath,"/sys/block/");
@@ -1446,8 +1449,10 @@ snprint_devices (char * buff, int len, struct vectors *vecs)
if (S_ISDIR(statbuf.st_mode) == 0)
continue;
- if ((len - fwd - threshold) <= 0)
+ if ((len - fwd - threshold) <= 0) {
+ closedir(blkdir);
return len;
+ }
fwd += snprintf(buff + fwd, len - fwd, " %s", devptr);
pp = find_path_by_dev(vecs->pathvec, devptr);
--
1.7.12.4
--
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