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yaml
---
r: 31421
b: refs/heads/master
c: ba5a6a1
h: refs/heads/master
i:
  31419: e42e6e9
v: v3
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J. Bruce Fields authored and Linus Torvalds committed Jun 30, 2006
1 parent f2ae814 commit 99ec1b7
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Showing 2 changed files with 14 additions and 5 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 1df0cada03644e37ae6fefd7c0267d9a531991e2
refs/heads/master: ba5a6a19d83babe00be3711db3deee5c57587b8f
17 changes: 13 additions & 4 deletions trunk/fs/nfsd/nfs4state.c
Original file line number Diff line number Diff line change
Expand Up @@ -1237,8 +1237,15 @@ find_file(struct inode *ino)
return NULL;
}

#define TEST_ACCESS(x) ((x > 0 || x < 4)?1:0)
#define TEST_DENY(x) ((x >= 0 || x < 5)?1:0)
static int access_valid(u32 x)
{
return (x > 0 && x < 4);
}

static int deny_valid(u32 x)
{
return (x >= 0 && x < 5);
}

static void
set_access(unsigned int *access, unsigned long bmap) {
Expand Down Expand Up @@ -1745,7 +1752,8 @@ nfsd4_process_open2(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nf
int status;

status = nfserr_inval;
if (!TEST_ACCESS(open->op_share_access) || !TEST_DENY(open->op_share_deny))
if (!access_valid(open->op_share_access)
|| !deny_valid(open->op_share_deny))
goto out;
/*
* Lookup file; if found, lookup stateid and check open request,
Expand Down Expand Up @@ -2317,7 +2325,8 @@ nfsd4_open_downgrade(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct n
(int)current_fh->fh_dentry->d_name.len,
current_fh->fh_dentry->d_name.name);

if (!TEST_ACCESS(od->od_share_access) || !TEST_DENY(od->od_share_deny))
if (!access_valid(od->od_share_access)
|| !deny_valid(od->od_share_deny))
return nfserr_inval;

nfs4_lock_state();
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