staging: unisys: parser_init_guts(): standard_payload_header is always false

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/unisys/visorbus/visorchipset.c b/drivers/staging/unisys/visorbus/visorchipset.c
index b6b332c..2cf59ca 100644 (file)
--- a/drivers/staging/unisys/visorbus/visorchipset.c
+++ b/drivers/staging/unisys/visorbus/visorchipset.c
@@ -376,21 +376,20 @@ static void controlvm_respond_physdev_changestate(
 static void parser_done(struct parser_context *ctx);
 
 static struct parser_context *
-parser_init_guts(u64 addr, u32 bytes, bool local,
-                bool standard_payload_header, bool *retry)
+parser_init_guts(u64 addr, u32 bytes, bool local, bool *retry)
 {
        int allocbytes = sizeof(struct parser_context) + bytes;
        struct parser_context *rc = NULL;
        struct parser_context *ctx = NULL;
-       struct spar_controlvm_parameters_header *phdr = NULL;
 
        if (retry)
                *retry = false;
-       if (!standard_payload_header)
-               /* alloc and 0 extra byte to ensure payload is
-                * '\0'-terminated
-                */
-               allocbytes++;
+
+       /*
+        * alloc an 0 extra byte to ensure payload is
+        * '\0'-terminated
+        */
+       allocbytes++;
        if ((controlvm_payload_bytes_buffered + bytes)
            > MAX_CONTROLVM_PAYLOAD_BYTES) {
                if (retry)
@@ -437,26 +436,8 @@ parser_init_guts(u64 addr, u32 bytes, bool local,
                memcpy_fromio(ctx->data, mapping, bytes);
                release_mem_region(addr, bytes);
        }
-       if (!standard_payload_header) {
-               ctx->byte_stream = true;
-               rc = ctx;
-               goto cleanup;
-       }
-       phdr = (struct spar_controlvm_parameters_header *)(ctx->data);
-       if (phdr->total_length != bytes) {
-               rc = NULL;
-               goto cleanup;
-       }
-       if (phdr->total_length < phdr->header_length) {
-               rc = NULL;
-               goto cleanup;
-       }
-       if (phdr->header_length <
-           sizeof(struct spar_controlvm_parameters_header)) {
-               rc = NULL;
-               goto cleanup;
-       }
 
+       ctx->byte_stream = true;
        rc = ctx;
 cleanup:
        if (rc) {
@@ -478,7 +459,7 @@ cleanup:
 static struct parser_context *
 parser_init_byte_stream(u64 addr, u32 bytes, bool local, bool *retry)
 {
-       return parser_init_guts(addr, bytes, local, false, retry);
+       return parser_init_guts(addr, bytes, local, retry);
 }
 
 static uuid_le