Descriptors with zero length are not supported by many NICs. To preserve
uniform behavior discard any zero length desc as invvalid desc.
Signed-off-by: Tirthendu Sarkar <tirthendu.sarkar@intel.com>
Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Link: https://lore.kernel.org/r/20230719132421.584801-10-maciej.fijalkowski@intel.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
{
u64 offset = desc->addr & (pool->chunk_size - 1);
+ if (!desc->len)
+ return false;
+
if (offset + desc->len > pool->chunk_size)
return false;
{
u64 addr = xp_unaligned_add_offset_to_addr(desc->addr);
+ if (!desc->len)
+ return false;
+
if (desc->len > pool->chunk_size)
return false;