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usb: misc: ftdi-elan: fix duplicated code for different branches

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Refactor code in order to avoid identical code for different branches.

This issue was detected with the help of Coccinelle.

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Gustavo A. R. Silva 2017-08-12 20:12:32 -05:00 committed by Greg Kroah-Hartman
parent ed62ca2f4f
commit d527d1ea5d
1 changed files with 1 additions and 26 deletions
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27
drivers/usb/misc/ftdi-elan.c
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@ -857,7 +857,7 @@ static char *have_ed_set_response(struct usb_ftdi *ftdi,
target->actual = 0; target->actual = 0;
target->non_null = (ed_length >> 15) & 0x0001; target->non_null = (ed_length >> 15) & 0x0001;
target->repeat_number = (ed_length >> 11) & 0x000F; target->repeat_number = (ed_length >> 11) & 0x000F;
if (ed_type == 0x02) { if (ed_type == 0x02 || ed_type == 0x03) {
if (payload == 0 || target->abandoning > 0) { if (payload == 0 || target->abandoning > 0) {
target->abandoning = 0; target->abandoning = 0;
mutex_unlock(&ftdi->u132_lock); mutex_unlock(&ftdi->u132_lock);
@ -873,31 +873,6 @@ static char *have_ed_set_response(struct usb_ftdi *ftdi,
mutex_unlock(&ftdi->u132_lock); mutex_unlock(&ftdi->u132_lock);
return b; return b;
} }
} else if (ed_type == 0x03) {
if (payload == 0 || target->abandoning > 0) {
target->abandoning = 0;
mutex_unlock(&ftdi->u132_lock);
ftdi_elan_do_callback(ftdi, target, 4 + ftdi->response,
payload);
ftdi->received = 0;
ftdi->expected = 4;
ftdi->ed_found = 0;
return ftdi->response;
} else {
ftdi->expected = 4 + payload;
ftdi->ed_found = 1;
mutex_unlock(&ftdi->u132_lock);
return b;
}
} else if (ed_type == 0x01) {
target->abandoning = 0;
mutex_unlock(&ftdi->u132_lock);
ftdi_elan_do_callback(ftdi, target, 4 + ftdi->response,
payload);
ftdi->received = 0;
ftdi->expected = 4;
ftdi->ed_found = 0;
return ftdi->response;
} else { } else {
target->abandoning = 0; target->abandoning = 0;
mutex_unlock(&ftdi->u132_lock); mutex_unlock(&ftdi->u132_lock);