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staging: unisys: visorbus: clean up initializations 

Don't compute value of offset during initialization. Assigning a value to
offset should happen after we have verified all of its components.

Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
David Kershner 2017-09-27 13:14:19 -04:00 committed by Greg Kroah-Hartman
parent 9f1d28fa2c
commit 5d1a7fd754
1 changed files with 7 additions and 7 deletions
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14
drivers/staging/unisys/visorbus/visorbus_main.c
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@ -743,11 +743,12 @@ static void write_vbus_chp_info(struct visorchannel *chan,
struct visor_vbus_headerinfo *hdr_info,
struct visor_vbus_deviceinfo *info)
{
int off = sizeof(struct channel_header) + hdr_info->chp_info_offset;
int off;
if (hdr_info->chp_info_offset == 0)
return;
off = sizeof(struct channel_header) + hdr_info->chp_info_offset;
visorchannel_write(chan, off, info, sizeof(*info));
}
@ -768,11 +769,11 @@ static void write_vbus_bus_info(struct visorchannel *chan,
struct visor_vbus_headerinfo *hdr_info,
struct visor_vbus_deviceinfo *info)
{
int off = sizeof(struct channel_header) + hdr_info->bus_info_offset;
int off;
if (hdr_info->bus_info_offset == 0)
return;
off = sizeof(struct channel_header) + hdr_info->bus_info_offset;
visorchannel_write(chan, off, info, sizeof(*info));
}
@ -795,13 +796,12 @@ static void write_vbus_dev_info(struct visorchannel *chan,
struct visor_vbus_deviceinfo *info,
unsigned int devix)
{
int off =
(sizeof(struct channel_header) + hdr_info->dev_info_offset) +
(hdr_info->device_info_struct_bytes * devix);
int off;
if (hdr_info->dev_info_offset == 0)
return;
off = (sizeof(struct channel_header) + hdr_info->dev_info_offset) +
(hdr_info->device_info_struct_bytes * devix);
visorchannel_write(chan, off, info, sizeof(*info));
}