diff options
Diffstat (limited to 'net/x25/x25_facilities.c')
-rw-r--r-- | net/x25/x25_facilities.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/net/x25/x25_facilities.c b/net/x25/x25_facilities.c index 771bab00754b..3a8c4c419cd4 100644 --- a/net/x25/x25_facilities.c +++ b/net/x25/x25_facilities.c | |||
@@ -134,15 +134,15 @@ int x25_parse_facilities(struct sk_buff *skb, struct x25_facilities *facilities, | |||
134 | case X25_FAC_CLASS_D: | 134 | case X25_FAC_CLASS_D: |
135 | switch (*p) { | 135 | switch (*p) { |
136 | case X25_FAC_CALLING_AE: | 136 | case X25_FAC_CALLING_AE: |
137 | if (p[1] > X25_MAX_DTE_FACIL_LEN) | 137 | if (p[1] > X25_MAX_DTE_FACIL_LEN || p[1] <= 1) |
138 | break; | 138 | return 0; |
139 | dte_facs->calling_len = p[2]; | 139 | dte_facs->calling_len = p[2]; |
140 | memcpy(dte_facs->calling_ae, &p[3], p[1] - 1); | 140 | memcpy(dte_facs->calling_ae, &p[3], p[1] - 1); |
141 | *vc_fac_mask |= X25_MASK_CALLING_AE; | 141 | *vc_fac_mask |= X25_MASK_CALLING_AE; |
142 | break; | 142 | break; |
143 | case X25_FAC_CALLED_AE: | 143 | case X25_FAC_CALLED_AE: |
144 | if (p[1] > X25_MAX_DTE_FACIL_LEN) | 144 | if (p[1] > X25_MAX_DTE_FACIL_LEN || p[1] <= 1) |
145 | break; | 145 | return 0; |
146 | dte_facs->called_len = p[2]; | 146 | dte_facs->called_len = p[2]; |
147 | memcpy(dte_facs->called_ae, &p[3], p[1] - 1); | 147 | memcpy(dte_facs->called_ae, &p[3], p[1] - 1); |
148 | *vc_fac_mask |= X25_MASK_CALLED_AE; | 148 | *vc_fac_mask |= X25_MASK_CALLED_AE; |