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staging: wimax/i2400m: fix some byte order issues found by sparse

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Fix sparse byte-order warnings in the i2400m_bm_cmd_prepare()
function:

wimax/i2400m/fw.c:194:36: warning: restricted __le32 degrades to integer
wimax/i2400m/fw.c:195:34: warning: invalid assignment: +=
wimax/i2400m/fw.c:195:34:    left side has type unsigned int
wimax/i2400m/fw.c:195:34:    right side has type restricted __le32
wimax/i2400m/fw.c:196:32: warning: restricted __le32 degrades to integer
wimax/i2400m/fw.c:196:47: warning: restricted __le32 degrades to integer
wimax/i2400m/fw.c:196:66: warning: restricted __le32 degrades to integer

Signed-off-by: Anirudh Rayabharam <mail@anirudhrb.com>
Link: https://lore.kernel.org/r/20210212153843.8554-1-mail@anirudhrb.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Anirudh Rayabharam 2021-02-12 21:08:43 +05:30 committed by Greg Kroah-Hartman
parent 403119601b
commit 1aa8f9da5c
1 changed files with 10 additions and 5 deletions
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15
drivers/staging/wimax/i2400m/fw.c
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@ -189,12 +189,17 @@ void i2400m_bm_cmd_prepare(struct i2400m_bootrom_header *cmd)
{
if (i2400m_brh_get_use_checksum(cmd)) {
int i;
u32 checksum = 0;
__le32 checksum = 0;
const u32 *checksum_ptr = (void *) cmd->payload;
for (i = 0; i < cmd->data_size / 4; i++)
checksum += cpu_to_le32(*checksum_ptr++);
checksum += cmd->command + cmd->target_addr + cmd->data_size;
cmd->block_checksum = cpu_to_le32(checksum);
for (i = 0; i < le32_to_cpu(cmd->data_size) / 4; i++)
le32_add_cpu(&checksum, *checksum_ptr++);
le32_add_cpu(&checksum, le32_to_cpu(cmd->command));
le32_add_cpu(&checksum, le32_to_cpu(cmd->target_addr));
le32_add_cpu(&checksum, le32_to_cpu(cmd->data_size));
cmd->block_checksum = checksum;
}
}
EXPORT_SYMBOL_GPL(i2400m_bm_cmd_prepare);