From d44c732cffe544d38641065a12e416e0ce4217c1 Mon Sep 17 00:00:00 2001 From: Kalle Valo Date: Thu, 27 Jun 2019 21:47:30 +0300 Subject: [PATCH] ath10k: pci: remove unnecessary casts Fixes checkpatch warnings: drivers/net/wireless/ath/ath10k/pci.c:926: unnecessary cast may hide bugs, see http://c-faq.com/malloc/mallocnocast.html drivers/net/wireless/ath/ath10k/pci.c:1072: unnecessary cast may hide bugs, see http://c-faq.com/malloc/mallocnocast.html While at it, also remove unnecessary initialisation of data_buf variable in both cases. Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/pci.c | 16 ++++++---------- 1 file changed, 6 insertions(+), 10 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c index 80bcb2ef5926..a0b4d265c6eb 100644 --- a/drivers/net/wireless/ath/ath10k/pci.c +++ b/drivers/net/wireless/ath/ath10k/pci.c @@ -909,7 +909,7 @@ static int ath10k_pci_diag_read_mem(struct ath10k *ar, u32 address, void *data, /* Host buffer address in CE space */ u32 ce_data; dma_addr_t ce_data_base = 0; - void *data_buf = NULL; + void *data_buf; int i; mutex_lock(&ar_pci->ce_diag_mutex); @@ -923,10 +923,8 @@ static int ath10k_pci_diag_read_mem(struct ath10k *ar, u32 address, void *data, */ alloc_nbytes = min_t(unsigned int, nbytes, DIAG_TRANSFER_LIMIT); - data_buf = (unsigned char *)dma_alloc_coherent(ar->dev, alloc_nbytes, - &ce_data_base, - GFP_ATOMIC); - + data_buf = dma_alloc_coherent(ar->dev, alloc_nbytes, &ce_data_base, + GFP_ATOMIC); if (!data_buf) { ret = -ENOMEM; goto done; @@ -1054,7 +1052,7 @@ int ath10k_pci_diag_write_mem(struct ath10k *ar, u32 address, u32 *buf; unsigned int completed_nbytes, alloc_nbytes, remaining_bytes; struct ath10k_ce_pipe *ce_diag; - void *data_buf = NULL; + void *data_buf; dma_addr_t ce_data_base = 0; int i; @@ -1069,10 +1067,8 @@ int ath10k_pci_diag_write_mem(struct ath10k *ar, u32 address, */ alloc_nbytes = min_t(unsigned int, nbytes, DIAG_TRANSFER_LIMIT); - data_buf = (unsigned char *)dma_alloc_coherent(ar->dev, - alloc_nbytes, - &ce_data_base, - GFP_ATOMIC); + data_buf = dma_alloc_coherent(ar->dev, alloc_nbytes, &ce_data_base, + GFP_ATOMIC); if (!data_buf) { ret = -ENOMEM; goto done; -- 2.20.1