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mxser: make mxser_board::idx really an index

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mxser_board::idx is named as index, but actually contain a base. So
assign index there. And for base, introduce a local variable.

This is needed for the next patch (use index as a bit index).

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20210618061516.662-52-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Slaby 2021-06-18 08:14:57 +02:00 committed by Greg Kroah-Hartman
parent 42ad25fc46
commit 13d4aba8a9
1 changed files with 7 additions and 6 deletions
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13
drivers/tty/mxser.c
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@ -1910,7 +1910,7 @@ static int mxser_probe(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
struct mxser_board *brd;
unsigned int i;
unsigned int i, base;
unsigned long ioaddress;
unsigned short nports = MXSER_NPORTS(ent->driver_data);
struct device *tty_dev;
@ -1927,7 +1927,8 @@ static int mxser_probe(struct pci_dev *pdev,
}
brd = &mxser_boards[i];
brd->idx = i * MXSER_PORTS_PER_BOARD;
brd->idx = i;
base = i * MXSER_PORTS_PER_BOARD;
retval = pcim_enable_device(pdev);
if (retval) {
@ -1966,12 +1967,12 @@ static int mxser_probe(struct pci_dev *pdev,
for (i = 0; i < nports; i++) {
tty_dev = tty_port_register_device(&brd->ports[i].port,
mxvar_sdriver, brd->idx + i, &pdev->dev);
mxvar_sdriver, base + i, &pdev->dev);
if (IS_ERR(tty_dev)) {
retval = PTR_ERR(tty_dev);
for (; i > 0; i--)
tty_unregister_device(mxvar_sdriver,
brd->idx + i - 1);
base + i - 1);
goto err_relbrd;
}
}
@ -1991,10 +1992,10 @@ err:
static void mxser_remove(struct pci_dev *pdev)
{
struct mxser_board *brd = pci_get_drvdata(pdev);
unsigned int i;
unsigned int i, base = brd->idx * MXSER_PORTS_PER_BOARD;
for (i = 0; i < brd->nports; i++) {
tty_unregister_device(mxvar_sdriver, brd->idx + i);
tty_unregister_device(mxvar_sdriver, base + i);
tty_port_destroy(&brd->ports[i].port);
}