diff options
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/iwl-drv.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c index 1d1af4bc1530..d22821501676 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c @@ -291,11 +291,33 @@ static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces, return &pieces->img[type].sec[sec]; } +static void alloc_sec_data(struct iwl_firmware_pieces *pieces, + enum iwl_ucode_type type, + int sec) +{ + struct fw_img_parsing *img = &pieces->img[type]; + struct fw_sec *sec_memory; + int size = sec + 1; + size_t alloc_size = sizeof(*img->sec) * size; + + if (img->sec && img->sec_counter >= size) + return; + + sec_memory = krealloc(img->sec, alloc_size, GFP_KERNEL); + if (!sec_memory) + return; + + img->sec = sec_memory; + img->sec_counter = size; +} + static void set_sec_data(struct iwl_firmware_pieces *pieces, enum iwl_ucode_type type, int sec, const void *data) { + alloc_sec_data(pieces, type, sec); + pieces->img[type].sec[sec].data = data; } @@ -304,6 +326,8 @@ static void set_sec_size(struct iwl_firmware_pieces *pieces, int sec, size_t size) { + alloc_sec_data(pieces, type, sec); + pieces->img[type].sec[sec].size = size; } @@ -319,6 +343,8 @@ static void set_sec_offset(struct iwl_firmware_pieces *pieces, int sec, u32 offset) { + alloc_sec_data(pieces, type, sec); + pieces->img[type].sec[sec].offset = offset; } |