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NFSv4: Fix broken cast in nfs4_callback_recallany()
authorTrond Myklebust <trond.myklebust@primarydata.com>
Wed, 21 Feb 2018 21:35:50 +0000 (16:35 -0500)
committerTrond Myklebust <trond.myklebust@primarydata.com>
Wed, 21 Feb 2018 21:35:50 +0000 (16:35 -0500)
Passing a pointer to a unsigned integer to test_bit() is broken.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
fs/nfs/callback_proc.c

index 2435af5..a50d781 100644 (file)
@@ -572,7 +572,7 @@ out:
 }
 
 static bool
-validate_bitmap_values(unsigned long mask)
+validate_bitmap_values(unsigned int mask)
 {
        return (mask & ~RCA4_TYPE_MASK_ALL) == 0;
 }
@@ -596,17 +596,15 @@ __be32 nfs4_callback_recallany(void *argp, void *resp,
                goto out;
 
        status = cpu_to_be32(NFS4_OK);
-       if (test_bit(RCA4_TYPE_MASK_RDATA_DLG, (const unsigned long *)
-                    &args->craa_type_mask))
+       if (args->craa_type_mask & BIT(RCA4_TYPE_MASK_RDATA_DLG))
                flags = FMODE_READ;
-       if (test_bit(RCA4_TYPE_MASK_WDATA_DLG, (const unsigned long *)
-                    &args->craa_type_mask))
+       if (args->craa_type_mask & BIT(RCA4_TYPE_MASK_WDATA_DLG))
                flags |= FMODE_WRITE;
-       if (test_bit(RCA4_TYPE_MASK_FILE_LAYOUT, (const unsigned long *)
-                    &args->craa_type_mask))
-               pnfs_recall_all_layouts(cps->clp);
        if (flags)
                nfs_expire_unused_delegation_types(cps->clp, flags);
+
+       if (args->craa_type_mask & BIT(RCA4_TYPE_MASK_FILE_LAYOUT))
+               pnfs_recall_all_layouts(cps->clp);
 out:
        dprintk("%s: exit with status = %d\n", __func__, ntohl(status));
        return status;