* [PATCH] libmount: initialize *root to NULL in mnt_table_get_root_fs
@ 2014-02-16 13:58 Thomas Bächler
2014-02-17 12:37 ` Karel Zak
0 siblings, 1 reply; 2+ messages in thread
From: Thomas Bächler @ 2014-02-16 13:58 UTC (permalink / raw)
To: util-linux; +Cc: Thomas Bächler
mnt_table_get_root_fs only works when *root is set to NULL. This
is not only undocumented, but also unintuitive. Fix it by initializing
*root inside mnt_table_get_root_fs.
---
libmount/src/tab.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/libmount/src/tab.c b/libmount/src/tab.c
index 8ae49c8..7a253e8 100644
--- a/libmount/src/tab.c
+++ b/libmount/src/tab.c
@@ -501,6 +501,7 @@ int mnt_table_get_root_fs(struct libmnt_table *tb, struct libmnt_fs **root)
struct libmnt_iter itr;
struct libmnt_fs *fs;
int root_id = 0;
+ *root = NULL;
assert(tb);
assert(root);
--
1.8.5.4
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2014-02-16 13:58 [PATCH] libmount: initialize *root to NULL in mnt_table_get_root_fs Thomas Bächler
2014-02-17 12:37 ` Karel Zak
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