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ipwireless: Constify buffer variables
ipwireless: Constify buffer variables Signed-off-by: David Sterba <dsterba@suse.cz> Signed-off-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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93110f698f
commit
ff3e990e61
3 changed files with 16 additions and 14 deletions
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@ -30,11 +30,11 @@
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static void ipw_send_setup_packet(struct ipw_hardware *hw);
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static void handle_received_SETUP_packet(struct ipw_hardware *ipw,
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unsigned int address,
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unsigned char *data, int len,
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const unsigned char *data, int len,
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int is_last);
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static void ipwireless_setup_timer(unsigned long data);
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static void handle_received_CTRL_packet(struct ipw_hardware *hw,
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unsigned int channel_idx, unsigned char *data, int len);
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unsigned int channel_idx, const unsigned char *data, int len);
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/*#define TIMING_DIAGNOSTICS*/
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@ -615,8 +615,10 @@ static void pool_free(struct ipw_hardware *hw, struct ipw_rx_packet *packet)
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}
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static void queue_received_packet(struct ipw_hardware *hw,
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unsigned int protocol, unsigned int address,
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unsigned char *data, int length, int is_last)
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unsigned int protocol,
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unsigned int address,
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const unsigned char *data, int length,
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int is_last)
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{
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unsigned int channel_idx = address - 1;
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struct ipw_rx_packet *packet = NULL;
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@ -760,10 +762,10 @@ static void ipw_receive_data_work(struct work_struct *work_rx)
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static void handle_received_CTRL_packet(struct ipw_hardware *hw,
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unsigned int channel_idx,
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unsigned char *data, int len)
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const unsigned char *data, int len)
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{
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struct ipw_control_packet_body *body =
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(struct ipw_control_packet_body *) data;
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const struct ipw_control_packet_body *body =
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(const struct ipw_control_packet_body *) data;
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unsigned int changed_mask;
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if (len != sizeof(struct ipw_control_packet_body)) {
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@ -805,13 +807,13 @@ static void handle_received_CTRL_packet(struct ipw_hardware *hw,
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}
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static void handle_received_packet(struct ipw_hardware *hw,
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union nl_packet *packet,
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const union nl_packet *packet,
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unsigned short len)
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{
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unsigned int protocol = packet->hdr.protocol;
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unsigned int address = packet->hdr.address;
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unsigned int header_length;
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unsigned char *data;
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const unsigned char *data;
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unsigned int data_len;
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int is_last = packet->hdr.packet_rank & NL_LAST_PACKET;
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@ -1288,7 +1290,7 @@ static void *alloc_ctrl_packet(int header_size,
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}
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int ipwireless_send_packet(struct ipw_hardware *hw, unsigned int channel_idx,
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unsigned char *data, unsigned int length,
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const unsigned char *data, unsigned int length,
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void (*callback) (void *cb, unsigned int length),
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void *callback_data)
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{
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@ -1522,10 +1524,10 @@ static void ipw_send_setup_packet(struct ipw_hardware *hw)
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static void handle_received_SETUP_packet(struct ipw_hardware *hw,
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unsigned int address,
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unsigned char *data, int len,
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const unsigned char *data, int len,
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int is_last)
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{
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union ipw_setup_rx_msg *rx_msg = (union ipw_setup_rx_msg *) data;
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const union ipw_setup_rx_msg *rx_msg = (const union ipw_setup_rx_msg *) data;
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if (address != ADDR_SETUP_PROT) {
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printk(KERN_INFO IPWIRELESS_PCCARD_NAME
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@ -41,7 +41,7 @@ int ipwireless_set_RTS(struct ipw_hardware *hw, unsigned int channel_idx,
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int state);
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int ipwireless_send_packet(struct ipw_hardware *hw,
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unsigned int channel_idx,
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unsigned char *data,
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const unsigned char *data,
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unsigned int length,
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void (*packet_sent_callback) (void *cb,
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unsigned int length),
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@ -259,7 +259,7 @@ static int ipw_write(struct tty_struct *linux_tty,
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}
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ret = ipwireless_send_packet(tty->hardware, IPW_CHANNEL_RAS,
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(unsigned char *) buf, count,
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buf, count,
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ipw_write_packet_sent_callback, tty);
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if (ret == -1) {
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mutex_unlock(&tty->ipw_tty_mutex);
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