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staging: unisys: visorbus: move parser_init_byte_stream

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The function parser_init_byte_stream needs to be moved lower in the file to
avoid extraneous function prototypes.

Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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 2016-09-19 17:09:22 -04:00 • committed by Greg Kroah-Hartman
parent 1b1d463d08
commit 612b81c931
1 changed files with 58 additions and 58 deletions
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116
drivers/staging/unisys/visorbus/visorchipset.c
View file

@ -334,64 +334,6 @@ static void controlvm_respond_physdev_changestate(
static void parser_done(struct parser_context *ctx); static void parser_done(struct parser_context *ctx);
static struct parser_context *
parser_init_byte_stream(u64 addr, u32 bytes, bool local, bool *retry)
{
int allocbytes = sizeof(struct parser_context) + bytes;
struct parser_context *ctx;
if (retry)
*retry = false;
/*
* alloc an 0 extra byte to ensure payload is
* '\0'-terminated
*/
allocbytes++;
if ((controlvm_payload_bytes_buffered + bytes)
> MAX_CONTROLVM_PAYLOAD_BYTES) {
if (retry)
*retry = true;
return NULL;
}
ctx = kzalloc(allocbytes, GFP_KERNEL | __GFP_NORETRY);
if (!ctx) {
if (retry)
*retry = true;
return NULL;
}
ctx->allocbytes = allocbytes;
ctx->param_bytes = bytes;
ctx->curr = NULL;
ctx->bytes_remaining = 0;
ctx->byte_stream = false;
if (local) {
void *p;
if (addr > virt_to_phys(high_memory - 1))
goto err_finish_ctx;
p = __va((unsigned long)(addr));
memcpy(ctx->data, p, bytes);
} else {
void *mapping = memremap(addr, bytes, MEMREMAP_WB);
if (!mapping)
goto err_finish_ctx;
memcpy(ctx->data, mapping, bytes);
memunmap(mapping);
}
ctx->byte_stream = true;
controlvm_payload_bytes_buffered += ctx->param_bytes;
return ctx;
err_finish_ctx:
parser_done(ctx);
return NULL;
}
static uuid_le static uuid_le
parser_id_get(struct parser_context *ctx) parser_id_get(struct parser_context *ctx)
{ {
@ -1906,6 +1848,64 @@ visorchipset_file_cleanup(dev_t major_dev)
unregister_chrdev_region(major_dev, 1); unregister_chrdev_region(major_dev, 1);
} }
static struct parser_context *
parser_init_byte_stream(u64 addr, u32 bytes, bool local, bool *retry)
{
int allocbytes = sizeof(struct parser_context) + bytes;
struct parser_context *ctx;
if (retry)
*retry = false;
/*
* alloc an 0 extra byte to ensure payload is
* '\0'-terminated
*/
allocbytes++;
if ((controlvm_payload_bytes_buffered + bytes)
> MAX_CONTROLVM_PAYLOAD_BYTES) {
if (retry)
*retry = true;
return NULL;
}
ctx = kzalloc(allocbytes, GFP_KERNEL | __GFP_NORETRY);
if (!ctx) {
if (retry)
*retry = true;
return NULL;
}
ctx->allocbytes = allocbytes;
ctx->param_bytes = bytes;
ctx->curr = NULL;
ctx->bytes_remaining = 0;
ctx->byte_stream = false;
if (local) {
void *p;
if (addr > virt_to_phys(high_memory - 1))
goto err_finish_ctx;
p = __va((unsigned long)(addr));
memcpy(ctx->data, p, bytes);
} else {
void *mapping = memremap(addr, bytes, MEMREMAP_WB);
if (!mapping)
goto err_finish_ctx;
memcpy(ctx->data, mapping, bytes);
memunmap(mapping);
}
ctx->byte_stream = true;
controlvm_payload_bytes_buffered += ctx->param_bytes;
return ctx;
err_finish_ctx:
parser_done(ctx);
return NULL;
}
/** /**
* handle_command() - process a controlvm message * handle_command() - process a controlvm message
* @inmsg: the message to process * @inmsg: the message to process