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NetLabel: return the correct error for translated CIPSOv4 tags 

The CIPSOv4 translated tag #1 mapping does not always return the correct error
code if the desired mapping does not exist; instead of returning -EPERM it
returns -ENOSPC indicating that the buffer is not large enough to hold the
translated value.  This was caused by failing to check a specific error
condition.  This patch fixes this so that unknown mappings return
-EPERM which is consistent with the rest of the related CIPSOv4 code.

Signed-off-by: Paul Moore <paul.moore@hp.com>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
Paul Moore 2006-11-17 17:38:50 -05:00 committed by David S. Miller
parent 91b1ed0afd
commit 9fade4bf8e
1 changed files with 4 additions and 0 deletions
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4
net/ipv4/cipso_ipv4.c
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@ -867,6 +867,8 @@ static int cipso_v4_map_cat_rbm_hton(const struct cipso_v4_doi *doi_def,
return -EPERM;
net_spot = host_cat_array[host_spot];
if (net_spot >= CIPSO_V4_INV_CAT)
return -EPERM;
if (net_spot >= net_clen_bits)
return -ENOSPC;
cipso_v4_bitmap_setbit(net_cat, net_spot, 1);
@ -935,6 +937,8 @@ static int cipso_v4_map_cat_rbm_ntoh(const struct cipso_v4_doi *doi_def,
return -EPERM;
host_spot = net_cat_array[net_spot];
if (host_spot >= CIPSO_V4_INV_CAT)
return -EPERM;
if (host_spot >= host_clen_bits)
return -ENOSPC;
cipso_v4_bitmap_setbit(host_cat, host_spot, 1);