This commit replaces custom GetUInt32 macro with get_unaligned_le32
which is included in the linux kernel.
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@xxxxxxxxx>
---
drivers/staging/ks7010/michael_mic.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)
diff --git a/drivers/staging/ks7010/michael_mic.c b/drivers/staging/ks7010/michael_mic.c
index 79efaf3..490438d 100644
--- a/drivers/staging/ks7010/michael_mic.c
+++ b/drivers/staging/ks7010/michael_mic.c
@@ -15,9 +15,6 @@
#include <asm/unaligned.h>
#include "michael_mic.h"
-// Convert from Byte[] to UInt32 in a portable way
-#define getUInt32(A, B) ((uint32_t)(A[B + 0] << 0) \
- + (A[B + 1] << 8) + (A[B + 2] << 16) + (A[B + 3] << 24))
// Reset the state to the empty message.
static inline void michael_clear(struct michael_mic_t *mic)
@@ -30,8 +27,8 @@ static inline void michael_clear(struct michael_mic_t *mic)
static void michael_init(struct michael_mic_t *mic, uint8_t *key)
{
// Set the key
- mic->k0 = getUInt32(key, 0);
- mic->k1 = getUInt32(key, 4);
+ mic->k0 = get_unaligned_le32(key);
+ mic->k1 = get_unaligned_le32(key + 4);
//clear();
michael_clear(mic);
@@ -65,13 +62,13 @@ static void michael_append(struct michael_mic_t *mic, uint8_t *src, int bytes)
if (mic->m_bytes < 4)
return;
- mic->l ^= getUInt32(mic->m, 0);
+ mic->l ^= get_unaligned_le32(mic->m);
MichaelBlockFunction(mic->l, mic->r);
mic->m_bytes = 0;
}
while (bytes >= 4) {
- mic->l ^= getUInt32(src, 0);
+ mic->l ^= get_unaligned_le32(src);
MichaelBlockFunction(mic->l, mic->r);
src += 4;
bytes -= 4;
--
2.7.4
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