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tools/firmware/ihex2fw: Replace explicit alignment with ALIGN

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(X + 3) & ~3 is the same as ALIGN(X, 4), so replace all of the
instances of the formwer in the code with the latter. While at it,
introduce a helper variable 'record_size' to avoid duplicating length
calculatin code. No functional change intended.

Cc: Chris Healy <cphealy@gmail.com>
Cc: Kyle McMartin <kyle@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andrey Smirnov 2018-12-20 23:28:41 -08:00 committed by Greg Kroah-Hartman
parent 2ef8179bb7
commit 925f8d4aad
1 changed files with 4 additions and 2 deletions
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6
tools/firmware/ihex2fw.c
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@ -135,6 +135,7 @@ int main(int argc, char **argv)
static int process_ihex(uint8_t *data, ssize_t size)
{
struct ihex_binrec *record;
size_t record_size;
uint32_t offset = 0;
uint32_t data32;
uint8_t type, crc = 0, crcbyte = 0;
@ -161,12 +162,13 @@ next_record:
len <<= 8;
len += hex(data + i, &crc); i += 2;
}
record = malloc((sizeof (*record) + len + 3) & ~3);
record_size = ALIGN(sizeof(*record) + len, 4);
record = malloc(record_size);
if (!record) {
fprintf(stderr, "out of memory for records\n");
return -ENOMEM;
}
memset(record, 0, (sizeof(*record) + len + 3) & ~3);
memset(record, 0, record_size);
record->len = len;
/* now check if we have enough data to read everything */