Add casts to fix these warnings: ./usr/include/linux/netfilter_arp/arp_tables.h:200:19: error: pointer of type 'void *' used in arithmetic [-Werror=pointer-arith] ./usr/include/linux/netfilter_bridge/ebtables.h:197:19: error: pointer of type 'void *' used in arithmetic [-Werror=pointer-arith] ./usr/include/linux/netfilter_ipv4/ip_tables.h:223:19: error: pointer of type 'void *' used in arithmetic [-Werror=pointer-arith] ./usr/include/linux/netfilter_ipv6/ip6_tables.h:263:19: error: pointer of type 'void *' used in arithmetic [-Werror=pointer-arith] ./usr/include/linux/tipc_config.h:310:28: error: pointer of type 'void *' used in arithmetic [-Werror=pointer-arith] ./usr/include/linux/tipc_config.h:410:24: error: pointer of type 'void *' used in arithmetic [-Werror=pointer-arith] ./usr/include/linux/virtio_ring.h:170:16: error: pointer of type 'void *' used in arithmetic [-Werror=pointer-arith] Those are theoretical probably but kernel doesn't control compiler flags in userspace.
Showing the changes to include/uapi/linux (6 of 6 files). Show all
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| @@ -199,7 +199,7 @@ struct arpt_get_entries { · 198 unmodified lines | ||
| 199 | 199 | /* Helper functions */ |
| 200 | 200 | static __inline__ struct xt_entry_target *arpt_get_target(struct arpt_entry *e) |
| 201 | 201 | { |
| 202 | − return (void *)e + e->target_offset; | |
| 202 | + return (struct xt_entry_target *)((char *)e + e->target_offset); | |
| 203 | 203 | } |
| 204 | 204 | |
| 205 | 205 | /* |
| @@ -194,7 +194,7 @@ struct ebt_entry { · 193 unmodified lines | ||
| 194 | 194 | static __inline__ struct ebt_entry_target * |
| 195 | 195 | ebt_get_target(struct ebt_entry *e) |
| 196 | 196 | { |
| 197 | − return (void *)e + e->target_offset; | |
| 197 | + return (struct ebt_entry_target *)((char *)e + e->target_offset); | |
| 198 | 198 | } |
| 199 | 199 | |
| 200 | 200 | /* {g,s}etsockopt numbers */ |
| @@ -222,7 +222,7 @@ struct ipt_get_entries { · 221 unmodified lines | ||
| 222 | 222 | static __inline__ struct xt_entry_target * |
| 223 | 223 | ipt_get_target(struct ipt_entry *e) |
| 224 | 224 | { |
| 225 | − return (void *)e + e->target_offset; | |
| 225 | + return (struct xt_entry_target *)((char *)e + e->target_offset); | |
| 226 | 226 | } |
| 227 | 227 | |
| 228 | 228 | /* |
| @@ -262,7 +262,7 @@ struct ip6t_get_entries { · 261 unmodified lines | ||
| 262 | 262 | static __inline__ struct xt_entry_target * |
| 263 | 263 | ip6t_get_target(struct ip6t_entry *e) |
| 264 | 264 | { |
| 265 | − return (void *)e + e->target_offset; | |
| 265 | + return (struct xt_entry_target *)((char *)e + e->target_offset); | |
| 266 | 266 | } |
| 267 | 267 | |
| 268 | 268 | /* |
| @@ -309,7 +309,7 @@ static inline int TLV_SET(void *tlv, __u16 type, void *data, __u16 len) · 308 unmodified lines | ||
| 309 | 309 | tlv_ptr->tlv_len = htons(tlv_len); |
| 310 | 310 | if (len && data) { |
| 311 | 311 | memcpy(TLV_DATA(tlv_ptr), data, len); |
| 312 | − memset(TLV_DATA(tlv_ptr) + len, 0, TLV_SPACE(len) - tlv_len); | |
| 312 | + memset((char *)TLV_DATA(tlv_ptr) + len, 0, TLV_SPACE(len) - tlv_len); | |
| 313 | 313 | } |
| 314 | 314 | return TLV_SPACE(len); |
| 315 | 315 | } |
| @@ -409,7 +409,7 @@ static inline int TCM_SET(void *msg, __u16 cmd, __u16 flags, · 93 unmodified lines | ||
| 409 | 409 | tcm_hdr->tcm_flags = htons(flags); |
| 410 | 410 | if (data_len && data) { |
| 411 | 411 | memcpy(TCM_DATA(msg), data, data_len); |
| 412 | − memset(TCM_DATA(msg) + data_len, 0, TCM_SPACE(data_len) - msg_len); | |
| 412 | + memset((char *)TCM_DATA(msg) + data_len, 0, TCM_SPACE(data_len) - msg_len); | |
| 413 | 413 | } |
| 414 | 414 | return TCM_SPACE(data_len); |
| 415 | 415 | } |
| @@ -169,7 +169,7 @@ static inline void vring_init(struct vring *vr, unsigned int num, void *p, · 168 unmodified lines | ||
| 169 | 169 | { |
| 170 | 170 | vr->num = num; |
| 171 | 171 | vr->desc = p; |
| 172 | − vr->avail = p + num*sizeof(struct vring_desc); | |
| 172 | + vr->avail = (struct vring_avail *)((char *)p + num * sizeof(struct vring_desc)); | |
| 173 | 173 | vr->used = (void *)(((uintptr_t)&vr->avail->ring[num] + sizeof(__virtio16) |
| 174 | 174 | + align-1) & ~(align - 1)); |
| 175 | 175 | } |