From 7cd4e8c577bf6e927da70529553bf65b4240d8a8 Mon Sep 17 00:00:00 2001 From: Devendra Naga Date: Wed, 5 Sep 2012 00:56:44 +0530 Subject: [PATCH] staging: csr: replace calls to kmalloc and memset with kzalloc the kzalloc does allocates memory and sets the data at the memory which is allocated to 0, The driver does uses the kmalloc and memset at some points in the code replace them with a single call to kzalloc Signed-off-by: Devendra Naga Acked-by: Marcos Paulo de Souza Signed-off-by: Greg Kroah-Hartman --- drivers/staging/csr/sme_sys.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/drivers/staging/csr/sme_sys.c b/drivers/staging/csr/sme_sys.c index 240344c6be45..5b26c41c01f6 100644 --- a/drivers/staging/csr/sme_sys.c +++ b/drivers/staging/csr/sme_sys.c @@ -2813,12 +2813,11 @@ u8 blockack_session_start(unifi_priv_t *priv, } /* create and populate the new BA session structure */ - ba_session_tx = kmalloc(sizeof(ba_session_tx_struct), GFP_KERNEL); + ba_session_tx = kzalloc(sizeof(ba_session_tx_struct), GFP_KERNEL); if (!ba_session_tx) { unifi_error(priv, "%s: kmalloc failed for ba_session_tx\n", __FUNCTION__); return FALSE; } - memset(ba_session_tx, 0, sizeof(ba_session_tx_struct)); ba_session_tx->interfacePriv = interfacePriv; ba_session_tx->tID = tID; @@ -2903,26 +2902,23 @@ u8 blockack_session_start(unifi_priv_t *priv, return FALSE; } - ba_session_rx = kmalloc(sizeof(ba_session_rx_struct), GFP_KERNEL); + ba_session_rx = kzalloc(sizeof(ba_session_rx_struct), GFP_KERNEL); if (!ba_session_rx) { unifi_error(priv, "%s: kmalloc failed for ba_session_rx\n", __FUNCTION__); return FALSE; } - memset(ba_session_rx, 0, sizeof(ba_session_rx_struct)); ba_session_rx->wind_size = wind_size; ba_session_rx->start_sn = ba_session_rx->expected_sn = start_sn; ba_session_rx->trigger_ba_after_ssn = FALSE; - ba_session_rx->buffer = kmalloc(ba_session_rx->wind_size*sizeof(frame_desc_struct), GFP_KERNEL); + ba_session_rx->buffer = kzalloc(ba_session_rx->wind_size*sizeof(frame_desc_struct), GFP_KERNEL); if (!ba_session_rx->buffer) { kfree(ba_session_rx); unifi_error(priv, "%s: kmalloc failed for buffer\n", __FUNCTION__); return FALSE; } - memset(ba_session_rx->buffer, 0, ba_session_rx->wind_size*sizeof(frame_desc_struct)); - INIT_WORK(&ba_session_rx->send_ba_err_task, uf_send_ba_err_wq); if (timeout) { ba_session_rx->timeout = timeout; -- 2.34.1