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wimax/i2400m: don't write to memory allocated by request_firmware()

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In kernel 2.6.31, the firmware requested to ram could be marked
with read only attribute, and we can't write any thing directly
to the memory when setting up the last JUMP brh cmd.

Changed so that the scratch buffer is used.

Signed-off-by: Cindy H Kao <[email protected]>
Signed-off-by: Inaky Perez-Gonzalez <[email protected]>
This commit is contained in:
Cindy H Kao 2009-08-18 19:27:18 -07:00 • committed by Inaky Perez-Gonzalez
commit 8d8fe198c6
1 changed files with 4 additions and 0 deletions
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4
drivers/net/wimax/i2400m/fw.c
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@ -533,6 +533,10 @@ int i2400m_dnload_finalize(struct i2400m *i2400m,
struct i2400m_bootrom_header jump_ack;
d_printf(1, dev, "unsecure boot, jumping to 0x%08x\n",
le32_to_cpu(cmd->target_addr));
cmd_buf = i2400m->bm_cmd_buf;
memcpy(&cmd_buf->cmd, cmd, sizeof(*cmd));
cmd = &cmd_buf->cmd;
/* now cmd points to the actual bootrom_header in cmd_buf */
i2400m_brh_set_opcode(cmd, I2400M_BRH_JUMP);
cmd->data_size = 0;
ret = i2400m_bm_cmd(i2400m, cmd, sizeof(*cmd),