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authorTrond Myklebust <trond.myklebust@hammerspace.com>2020-02-08 03:32:49 +0300
committerTrond Myklebust <trond.myklebust@hammerspace.com>2020-03-16 15:34:28 +0300
commit1d179d6bd67369a52edea8562154b31ee20be1cc (patch)
tree6723936092d7e264fea199f2450c28394a0e9a90 /fs/nfs/inode.c
parent244fcd2f9a904523f1b8c1a6c94749e230ac053a (diff)
downloadlinux-1d179d6bd67369a52edea8562154b31ee20be1cc.tar.xz
NFS: alloc_nfs_open_context() must use the file cred when available
If we're creating a nfs_open_context() for a specific file pointer, we must use the cred assigned to that file. Fixes: a52458b48af1 ("NFS/NFSD/SUNRPC: replace generic creds with 'struct cred'.") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'fs/nfs/inode.c')
-rw-r--r--fs/nfs/inode.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 11bf15800ac9..a10fb87c6ac3 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -959,16 +959,16 @@ struct nfs_open_context *alloc_nfs_open_context(struct dentry *dentry,
struct file *filp)
{
struct nfs_open_context *ctx;
- const struct cred *cred = get_current_cred();
ctx = kmalloc(sizeof(*ctx), GFP_KERNEL);
- if (!ctx) {
- put_cred(cred);
+ if (!ctx)
return ERR_PTR(-ENOMEM);
- }
nfs_sb_active(dentry->d_sb);
ctx->dentry = dget(dentry);
- ctx->cred = cred;
+ if (filp)
+ ctx->cred = get_cred(filp->f_cred);
+ else
+ ctx->cred = get_current_cred();
ctx->ll_cred = NULL;
ctx->state = NULL;
ctx->mode = f_mode;