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authorChuck Lever <chuck.lever@oracle.com>2022-07-08 14:27:09 -0400
committerChuck Lever <chuck.lever@oracle.com>2022-07-29 20:16:56 -0400
commit427f5f83a3191cbf024c5aea6e5b601cdf88d895 (patch)
treefdd97a04ea12d861ccf06dadd59f737845a74744 /fs/nfsd/filecache.h
parent5e138c4a750dc140d881dab4a8804b094bbc08d2 (diff)
NFSD: Ensure nf_inode is never dereferenced
The documenting comment for struct nf_file states: /* * A representation of a file that has been opened by knfsd. These are hashed * in the hashtable by inode pointer value. Note that this object doesn't * hold a reference to the inode by itself, so the nf_inode pointer should * never be dereferenced, only used for comparison. */ Replace the two existing dereferences to make the comment always true. Reviewed-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'fs/nfsd/filecache.h')
-rw-r--r--fs/nfsd/filecache.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/nfsd/filecache.h b/fs/nfsd/filecache.h
index 28145f162892..8e8c0c47d67d 100644
--- a/fs/nfsd/filecache.h
+++ b/fs/nfsd/filecache.h
@@ -39,7 +39,7 @@ struct nfsd_file {
#define NFSD_FILE_PENDING (1)
#define NFSD_FILE_REFERENCED (2)
unsigned long nf_flags;
- struct inode *nf_inode;
+ struct inode *nf_inode; /* don't deref */
refcount_t nf_ref;
unsigned char nf_may;
struct nfsd_file_mark *nf_mark;