Cleanup: Remove unnecessary explicit casts of pointers from allocators
The Linux 5.16.14 kernel's coccicheck caught these. The semantic patch that caught them was: ./scripts/coccinelle/api/alloc/alloc_cast.cocci Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Richard Yao <richard.yao@alumni.stonybrook.edu> Closes #14372
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@ -211,7 +211,7 @@ aes_alloc_keysched(size_t *size, int kmflag)
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{
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aes_key_t *keysched;
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keysched = (aes_key_t *)kmem_alloc(sizeof (aes_key_t), kmflag);
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keysched = kmem_alloc(sizeof (aes_key_t), kmflag);
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if (keysched != NULL) {
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*size = sizeof (aes_key_t);
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return (keysched);
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@ -653,7 +653,7 @@ gcm_init_ctx(gcm_ctx_t *gcm_ctx, char *param, size_t block_size,
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}
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gcm_ctx->gcm_htab_len = htab_len;
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gcm_ctx->gcm_Htable =
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(uint64_t *)kmem_alloc(htab_len, KM_SLEEP);
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kmem_alloc(htab_len, KM_SLEEP);
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if (gcm_ctx->gcm_Htable == NULL) {
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return (CRYPTO_HOST_MEMORY);
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@ -728,7 +728,7 @@ gmac_init_ctx(gcm_ctx_t *gcm_ctx, char *param, size_t block_size,
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}
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gcm_ctx->gcm_htab_len = htab_len;
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gcm_ctx->gcm_Htable =
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(uint64_t *)kmem_alloc(htab_len, KM_SLEEP);
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kmem_alloc(htab_len, KM_SLEEP);
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if (gcm_ctx->gcm_Htable == NULL) {
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return (CRYPTO_HOST_MEMORY);
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@ -88,7 +88,7 @@ crypto_create_ctx_template(crypto_mechanism_t *mech, crypto_key_t *key,
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if (error != CRYPTO_SUCCESS)
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return (error);
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if ((ctx_tmpl = (kcf_ctx_template_t *)kmem_alloc(
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if ((ctx_tmpl = kmem_alloc(
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sizeof (kcf_ctx_template_t), KM_SLEEP)) == NULL) {
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KCF_PROV_REFRELE(pd);
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return (CRYPTO_HOST_MEMORY);
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@ -146,7 +146,7 @@ callb_add_common(boolean_t (*func)(void *arg, int code),
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cv_wait(&ct->ct_busy_cv, &ct->ct_lock);
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if ((cp = ct->ct_freelist) == NULL) {
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ct->ct_ncallb++;
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cp = (callb_t *)kmem_zalloc(sizeof (callb_t), KM_SLEEP);
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cp = kmem_zalloc(sizeof (callb_t), KM_SLEEP);
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}
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ct->ct_freelist = cp->c_next;
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cp->c_thread = t;
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@ -701,7 +701,7 @@ spl_kmem_cache_create(const char *name, size_t size, size_t align,
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skc->skc_magic = SKC_MAGIC;
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skc->skc_name_size = strlen(name) + 1;
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skc->skc_name = (char *)kmalloc(skc->skc_name_size, lflags);
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skc->skc_name = kmalloc(skc->skc_name_size, lflags);
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if (skc->skc_name == NULL) {
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kfree(skc);
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return (NULL);
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@ -251,7 +251,7 @@ chksum_benchmark(void)
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/* space for the benchmark times */
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chksum_stat_cnt = 4;
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chksum_stat_cnt += blake3_impl_getcnt();
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chksum_stat_data = (chksum_stat_t *)kmem_zalloc(
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chksum_stat_data = kmem_zalloc(
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sizeof (chksum_stat_t) * chksum_stat_cnt, KM_SLEEP);
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/* edonr - needs to be the first one here (slow CPU check) */
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@ -876,7 +876,7 @@ zfs_get_data(void *arg, uint64_t gen, lr_write_t *lr, char *buf,
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return (SET_ERROR(ENOENT));
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}
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zgd = (zgd_t *)kmem_zalloc(sizeof (zgd_t), KM_SLEEP);
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zgd = kmem_zalloc(sizeof (zgd_t), KM_SLEEP);
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zgd->zgd_lwb = lwb;
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zgd->zgd_private = zp;
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@ -646,7 +646,7 @@ zvol_get_data(void *arg, uint64_t arg2, lr_write_t *lr, char *buf,
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ASSERT3P(zio, !=, NULL);
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ASSERT3U(size, !=, 0);
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zgd = (zgd_t *)kmem_zalloc(sizeof (zgd_t), KM_SLEEP);
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zgd = kmem_zalloc(sizeof (zgd_t), KM_SLEEP);
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zgd->zgd_lwb = lwb;
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/*
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@ -784,9 +784,9 @@ create_fallback_mem(struct zstd_fallback_mem *mem, size_t size)
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static void __init
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zstd_mempool_init(void)
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{
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zstd_mempool_cctx = (struct zstd_pool *)
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zstd_mempool_cctx =
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kmem_zalloc(ZSTD_POOL_MAX * sizeof (struct zstd_pool), KM_SLEEP);
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zstd_mempool_dctx = (struct zstd_pool *)
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zstd_mempool_dctx =
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kmem_zalloc(ZSTD_POOL_MAX * sizeof (struct zstd_pool), KM_SLEEP);
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for (int i = 0; i < ZSTD_POOL_MAX; i++) {
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