All of lore.kernel.org
 help / color / mirror / Atom feed
* [PATCH] staging: rts5208: Assign array_size() to a variable
@ 2020-07-10 18:33 Gustavo A. R. Silva
  0 siblings, 0 replies; only message in thread
From: Gustavo A. R. Silva @ 2020-07-10 18:33 UTC (permalink / raw)
  To: Greg Kroah-Hartman; +Cc: devel, linux-kernel, Gustavo A. R. Silva

Assign array_size() to variable _size_ and use it in multiple places.

This issue was found with the help of Coccinelle and, audited and fixed
manually.

Addresses-KSPP-ID: https://github.com/KSPP/linux/issues/83
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
---
 drivers/staging/rts5208/rtsx_chip.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/rts5208/rtsx_chip.c b/drivers/staging/rts5208/rtsx_chip.c
index c6f9375468eb..ee9ddc4eb94d 100644
--- a/drivers/staging/rts5208/rtsx_chip.c
+++ b/drivers/staging/rts5208/rtsx_chip.c
@@ -1440,6 +1440,7 @@ int rtsx_write_cfg_seq(struct rtsx_chip *chip, u8 func, u16 addr, u8 *buf,
 	u16 aligned_addr = addr - offset;
 	int dw_len, i, j;
 	int retval;
+	size_t size;
 
 	if (!buf)
 		return STATUS_NOMEM;
@@ -1451,11 +1452,12 @@ int rtsx_write_cfg_seq(struct rtsx_chip *chip, u8 func, u16 addr, u8 *buf,
 
 	dev_dbg(rtsx_dev(chip), "dw_len = %d\n", dw_len);
 
-	data = vzalloc(array_size(dw_len, 4));
+	size = array_size(dw_len, 4);
+	data = vzalloc(size);
 	if (!data)
 		return STATUS_NOMEM;
 
-	mask = vzalloc(array_size(dw_len, 4));
+	mask = vzalloc(size);
 	if (!mask) {
 		vfree(data);
 		return STATUS_NOMEM;
@@ -1471,10 +1473,8 @@ int rtsx_write_cfg_seq(struct rtsx_chip *chip, u8 func, u16 addr, u8 *buf,
 		}
 	}
 
-	print_hex_dump_bytes(KBUILD_MODNAME ": ", DUMP_PREFIX_NONE, mask,
-			     dw_len * 4);
-	print_hex_dump_bytes(KBUILD_MODNAME ": ", DUMP_PREFIX_NONE, data,
-			     dw_len * 4);
+	print_hex_dump_bytes(KBUILD_MODNAME ": ", DUMP_PREFIX_NONE, mask, size);
+	print_hex_dump_bytes(KBUILD_MODNAME ": ", DUMP_PREFIX_NONE, data, size);
 
 	for (i = 0; i < dw_len; i++) {
 		retval = rtsx_write_cfg_dw(chip, func, aligned_addr + i * 4,
-- 
2.27.0


^ permalink raw reply related	[flat|nested] only message in thread

only message in thread, other threads:[~2020-07-10 18:28 UTC | newest]

Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2020-07-10 18:33 [PATCH] staging: rts5208: Assign array_size() to a variable Gustavo A. R. Silva

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.