Since commit
446fda4f2682 ("[NetLabel]: CIPSOv4 engine"), *bitmap_walk
function only returns -1. Nearly 18 years have passed, -2 scenes never
come up, so there's no need to consider it.
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Acked-by: Paul Moore <paul@paul-moore.com>
Link: https://lore.kernel.org/r/20240227093604.3574241-1-shaozhengchao@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
net_clen_bits,
net_spot + 1,
1);
- if (net_spot < 0) {
- if (net_spot == -2)
- return -EFAULT;
+ if (net_spot < 0)
return 0;
- }
switch (doi_def->type) {
case CIPSO_V4_MAP_PASS:
net_clen_bits,
spot + 1,
1);
- if (spot < 0) {
- if (spot == -2)
- return -EFAULT;
+ if (spot < 0)
return 0;
- }
ret_val = netlbl_catmap_setbit(&secattr->attr.mls.cat,
spot,
* Description:
* Starting at @offset, walk the bitmap from left to right until either the
* desired bit is found or we reach the end. Return the bit offset, -1 if
- * not found, or -2 if error.
+ * not found.
*/
int netlbl_bitmap_walk(const unsigned char *bitmap, u32 bitmap_len,
u32 offset, u8 state)