diff options
Diffstat (limited to 'drivers/ieee1394/csr1212.c')
| -rw-r--r-- | drivers/ieee1394/csr1212.c | 67 |
1 files changed, 24 insertions, 43 deletions
diff --git a/drivers/ieee1394/csr1212.c b/drivers/ieee1394/csr1212.c index 65be507f4ee..54408cbe8f8 100644 --- a/drivers/ieee1394/csr1212.c +++ b/drivers/ieee1394/csr1212.c @@ -35,6 +35,7 @@ #include <linux/errno.h> #include <linux/string.h> +#include <asm/bug.h> #include <asm/byteorder.h> #include "csr1212.h" @@ -305,43 +306,29 @@ struct csr1212_keyval *csr1212_new_directory(u8 key) return kv; } -int csr1212_associate_keyval(struct csr1212_keyval *kv, - struct csr1212_keyval *associate) +void csr1212_associate_keyval(struct csr1212_keyval *kv, + struct csr1212_keyval *associate) { - if (!kv || !associate) - return -EINVAL; - - if (kv->key.id == CSR1212_KV_ID_DESCRIPTOR || - (associate->key.id != CSR1212_KV_ID_DESCRIPTOR && - associate->key.id != CSR1212_KV_ID_DEPENDENT_INFO && - associate->key.id != CSR1212_KV_ID_EXTENDED_KEY && - associate->key.id != CSR1212_KV_ID_EXTENDED_DATA && - associate->key.id < 0x30)) - return -EINVAL; - - if (kv->key.id == CSR1212_KV_ID_EXTENDED_KEY_SPECIFIER_ID && - associate->key.id != CSR1212_KV_ID_EXTENDED_KEY) - return -EINVAL; - - if (kv->key.id == CSR1212_KV_ID_EXTENDED_KEY && - associate->key.id != CSR1212_KV_ID_EXTENDED_DATA) - return -EINVAL; - - if (associate->key.id == CSR1212_KV_ID_EXTENDED_KEY && - kv->key.id != CSR1212_KV_ID_EXTENDED_KEY_SPECIFIER_ID) - return -EINVAL; - - if (associate->key.id == CSR1212_KV_ID_EXTENDED_DATA && - kv->key.id != CSR1212_KV_ID_EXTENDED_KEY) - return -EINVAL; + BUG_ON(!kv || !associate || kv->key.id == CSR1212_KV_ID_DESCRIPTOR || + (associate->key.id != CSR1212_KV_ID_DESCRIPTOR && + associate->key.id != CSR1212_KV_ID_DEPENDENT_INFO && + associate->key.id != CSR1212_KV_ID_EXTENDED_KEY && + associate->key.id != CSR1212_KV_ID_EXTENDED_DATA && + associate->key.id < 0x30) || + (kv->key.id == CSR1212_KV_ID_EXTENDED_KEY_SPECIFIER_ID && + associate->key.id != CSR1212_KV_ID_EXTENDED_KEY) || + (kv->key.id == CSR1212_KV_ID_EXTENDED_KEY && + associate->key.id != CSR1212_KV_ID_EXTENDED_DATA) || + (associate->key.id == CSR1212_KV_ID_EXTENDED_KEY && + kv->key.id != CSR1212_KV_ID_EXTENDED_KEY_SPECIFIER_ID) || + (associate->key.id == CSR1212_KV_ID_EXTENDED_DATA && + kv->key.id != CSR1212_KV_ID_EXTENDED_KEY)); if (kv->associate) csr1212_release_keyval(kv->associate); associate->refcnt++; kv->associate = associate; - - return CSR1212_SUCCESS; } int csr1212_attach_keyval_to_directory(struct csr1212_keyval *dir, @@ -349,8 +336,7 @@ int csr1212_attach_keyval_to_directory(struct csr1212_keyval *dir, { struct csr1212_dentry *dentry; - if (!kv || !dir || dir->key.type != CSR1212_KV_TYPE_DIRECTORY) - return -EINVAL; + BUG_ON(!kv || !dir || dir->key.type != CSR1212_KV_TYPE_DIRECTORY); dentry = CSR1212_MALLOC(sizeof(*dentry)); if (!dentry) @@ -611,9 +597,8 @@ static int csr1212_append_new_cache(struct csr1212_csr *csr, size_t romsize) struct csr1212_csr_rom_cache *cache; u64 csr_addr; - if (!csr || !csr->ops || !csr->ops->allocate_addr_range || - !csr->ops->release_addr || csr->max_rom < 1) - return -EINVAL; + BUG_ON(!csr || !csr->ops || !csr->ops->allocate_addr_range || + !csr->ops->release_addr || csr->max_rom < 1); /* ROM size must be a multiple of csr->max_rom */ romsize = (romsize + (csr->max_rom - 1)) & ~(csr->max_rom - 1); @@ -950,8 +935,7 @@ int csr1212_generate_csr_image(struct csr1212_csr *csr) int ret; int init_offset; - if (!csr) - return -EINVAL; + BUG_ON(!csr); cache = csr->cache_head; @@ -1011,8 +995,7 @@ int csr1212_generate_csr_image(struct csr1212_csr *csr) /* Make sure the Extended ROM leaf is a multiple of * max_rom in size. */ - if (csr->max_rom < 1) - return -EINVAL; + BUG_ON(csr->max_rom < 1); leaf_size = (cache->len + (csr->max_rom - 1)) & ~(csr->max_rom - 1); @@ -1278,8 +1261,7 @@ int _csr1212_read_keyval(struct csr1212_csr *csr, struct csr1212_keyval *kv) u32 *cache_ptr; u16 kv_len = 0; - if (!csr || !kv || csr->max_rom < 1) - return -EINVAL; + BUG_ON(!csr || !kv || csr->max_rom < 1); /* First find which cache the data should be in (or go in if not read * yet). */ @@ -1436,8 +1418,7 @@ int csr1212_parse_csr(struct csr1212_csr *csr) struct csr1212_dentry *dentry; int ret; - if (!csr || !csr->ops || !csr->ops->bus_read) - return -EINVAL; + BUG_ON(!csr || !csr->ops || !csr->ops->bus_read); ret = csr1212_parse_bus_info_block(csr); if (ret != CSR1212_SUCCESS) |