From: Trond Myklebust Date: Wed, 29 Sep 2010 19:11:56 +0000 (-0400) Subject: NFS: We must use list_for_each_entry_safe in nfs_access_cache_shrinker X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=aa510da5bfe1dfe263215fd0e05dac96e738a782;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git NFS: We must use list_for_each_entry_safe in nfs_access_cache_shrinker We may end up removing the current entry from nfs_access_lru_list. Signed-off-by: Trond Myklebust --- diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index 86f1d41c6078..fe549f5ef20f 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -1788,14 +1788,14 @@ static void nfs_access_free_list(struct list_head *head) int nfs_access_cache_shrinker(struct shrinker *shrink, int nr_to_scan, gfp_t gfp_mask) { LIST_HEAD(head); - struct nfs_inode *nfsi; + struct nfs_inode *nfsi, *next; struct nfs_access_entry *cache; if ((gfp_mask & GFP_KERNEL) != GFP_KERNEL) return (nr_to_scan == 0) ? 0 : -1; spin_lock(&nfs_access_lru_lock); - list_for_each_entry(nfsi, &nfs_access_lru_list, access_cache_inode_lru) { + list_for_each_entry_safe(nfsi, next, &nfs_access_lru_list, access_cache_inode_lru) { struct inode *inode; if (nr_to_scan-- == 0)