diff options
| -rw-r--r-- | arch/riscv/kernel/module.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/riscv/kernel/module.c b/arch/riscv/kernel/module.c index 21c7a773a8ef..32743180e8ef 100644 --- a/arch/riscv/kernel/module.c +++ b/arch/riscv/kernel/module.c @@ -747,6 +747,10 @@ initialize_relocation_hashtable(unsigned int num_relocations, { /* Can safely assume that bits is not greater than sizeof(long) */ unsigned long hashtable_size = roundup_pow_of_two(num_relocations); + /* + * When hashtable_size == 1, hashtable_bits == 0. + * This is valid because the hashing algorithm returns 0 in this case. + */ unsigned int hashtable_bits = ilog2(hashtable_size); /* @@ -763,7 +767,7 @@ initialize_relocation_hashtable(unsigned int num_relocations, sizeof(*relocation_hashtable), GFP_KERNEL); if (!*relocation_hashtable) - return -ENOMEM; + return 0; __hash_init(*relocation_hashtable, hashtable_size); @@ -789,8 +793,8 @@ int apply_relocate_add(Elf_Shdr *sechdrs, const char *strtab, hashtable_bits = initialize_relocation_hashtable(num_relocations, &relocation_hashtable); - if (hashtable_bits < 0) - return hashtable_bits; + if (!relocation_hashtable) + return -ENOMEM; INIT_LIST_HEAD(&used_buckets_list); |