From: Gen Zhang blackgod016574@gmail.com
[ Upstream commit 50fbc13dc12666f3604dc2555a47fc8c4e29162b ]
In flush_cache_ent(), 'ce->ce_path' is allocated by kstrdup_const(). It should be freed by kfree_const(), rather than kfree().
Signed-off-by: Gen Zhang blackgod016574@gmail.com Reviewed-by: Paulo Alcantara palcantara@suse.de Signed-off-by: Steve French stfrench@microsoft.com Signed-off-by: Sasha Levin sashal@kernel.org --- fs/cifs/dfs_cache.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/cifs/dfs_cache.c b/fs/cifs/dfs_cache.c index 09b7d0d4f6e4..007cfa39be5f 100644 --- a/fs/cifs/dfs_cache.c +++ b/fs/cifs/dfs_cache.c @@ -131,7 +131,7 @@ static inline void flush_cache_ent(struct dfs_cache_entry *ce) return;
hlist_del_init_rcu(&ce->ce_hlist); - kfree(ce->ce_path); + kfree_const(ce->ce_path); free_tgts(ce); dfs_cache_count--; call_rcu(&ce->ce_rcu, free_cache_entry); @@ -421,7 +421,7 @@ alloc_cache_entry(const char *path, const struct dfs_info3_param *refs,
rc = copy_ref_data(refs, numrefs, ce, NULL); if (rc) { - kfree(ce->ce_path); + kfree_const(ce->ce_path); kmem_cache_free(dfs_cache_slab, ce); ce = ERR_PTR(rc); }