flamenco, vm: correct order of error checks in fd_vm_derive_pda

firedancer-io · Aug 30, 2024 · 56e4674 · 56e4674
1 parent 653406f
commit 56e4674
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/flamenco/vm/syscall/fd_vm_syscall_pda.c b/src/flamenco/vm/syscall/fd_vm_syscall_pda.c
@@ -29,12 +29,12 @@ fd_vm_derive_pda( fd_vm_t *           vm,
                   uchar *             bump_seed,
                   fd_pubkey_t *       out ) {
 
+  fd_vm_vec_t const * seeds_haddr = FD_VM_MEM_SLICE_HADDR_LD( vm, seeds_vaddr, FD_VM_VEC_ALIGN, seeds_cnt*FD_VM_VEC_SIZE );
+
   if ( seeds_cnt>FD_VM_PDA_SEEDS_MAX ) {
     return FD_VM_ERR_INVAL;
   }
 
-  fd_vm_vec_t const * seeds_haddr = FD_VM_MEM_SLICE_HADDR_LD( vm, seeds_vaddr, FD_VM_VEC_ALIGN, seeds_cnt*FD_VM_VEC_SIZE );
-
   fd_sha256_init( vm->sha );
   for ( ulong i=0UL; i<seeds_cnt; i++ ) {
     ulong seed_sz = seeds_haddr[i].len;