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| author | Trond Myklebust <trondmy@gmail.com> | 2020-01-06 21:40:34 +0300 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2020-01-23 00:25:41 +0300 |
| commit | 1d82163714c16ebe09c7a8c9cd3cef7abcc16208 (patch) | |
| tree | 162e26f77dc3c72ef1e10c6a5799916b7fe74188 /net | |
| parent | 1b28d756b2eaee03e838390465754e431389e483 (diff) | |
| download | linux-1d82163714c16ebe09c7a8c9cd3cef7abcc16208.tar.xz | |
sunrpc: Fix potential leaks in sunrpc_cache_unhash()
When we unhash the cache entry, we need to handle any pending upcalls
by calling cache_fresh_unlocked().
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/sunrpc/cache.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c index f740cb51802a..7ede1e52fd81 100644 --- a/net/sunrpc/cache.c +++ b/net/sunrpc/cache.c @@ -1888,7 +1888,9 @@ void sunrpc_cache_unhash(struct cache_detail *cd, struct cache_head *h) if (!hlist_unhashed(&h->cache_list)){ hlist_del_init_rcu(&h->cache_list); cd->entries--; + set_bit(CACHE_CLEANED, &h->flags); spin_unlock(&cd->hash_lock); + cache_fresh_unlocked(h, cd); cache_put(h, cd); } else spin_unlock(&cd->hash_lock); |