[RFC 3/6] remoteproc: Move fw sanity check to find_rsc_table.

From: sjur . brandeland
Date: Tue May 22 2012 - 09:28:20 EST


From: Sjur BrÃndeland <sjur.brandeland@xxxxxxxxxxxxxx>

Prepare for pluggable firmware handling by calling firmware
sanity check from function find_rsc_table.

Signed-off-by: Sjur BrÃndeland <sjur.brandeland@xxxxxxxxxxxxxx>
---
drivers/remoteproc/remoteproc_core.c | 15 +++++++--------
1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index 3d980ea..785d66b 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -43,6 +43,7 @@

#include "remoteproc_internal.h"

+static int rproc_fw_sanity_check(struct rproc *rproc, const struct firmware *fw);
static void klist_rproc_get(struct klist_node *n);
static void klist_rproc_put(struct klist_node *n);

@@ -848,6 +849,9 @@ rproc_find_rsc_table(struct rproc *rproc, const struct firmware *fw,
int i;
const u8 *elf_data = fw->data;

+ if (rproc_fw_sanity_check(rproc, fw) < 0)
+ return NULL;
+
ehdr = (struct elf32_hdr *)elf_data;
shdr = (struct elf32_shdr *)(elf_data + ehdr->e_shoff);
name_table = elf_data + shdr[ehdr->e_shstrndx].sh_offset;
@@ -1021,10 +1025,6 @@ static int rproc_fw_boot(struct rproc *rproc, const struct firmware *fw)
struct resource_table *table;
int ret, tablesz;

- ret = rproc_fw_sanity_check(rproc, fw);
- if (ret)
- return ret;
-
ehdr = (struct elf32_hdr *)fw->data;

dev_info(dev, "Booting fw image %s, size %zd\n", name, fw->size);
@@ -1041,8 +1041,10 @@ static int rproc_fw_boot(struct rproc *rproc, const struct firmware *fw)

/* look for the resource table */
table = rproc_find_rsc_table(rproc, fw, &tablesz);
- if (!table)
+ if (!table) {
+ ret = -EINVAL;
goto clean_up;
+ }

/* handle fw resources which are required to boot rproc */
ret = rproc_handle_boot_rsc(rproc, table, tablesz);
@@ -1091,9 +1093,6 @@ static void rproc_fw_config_virtio(const struct firmware *fw, void *context)
struct resource_table *table;
int ret, tablesz;

- if (rproc_fw_sanity_check(rproc, fw) < 0)
- goto out;
-
/* look for the resource table */
table = rproc_find_rsc_table(rproc, fw, &tablesz);
if (!table)
--
1.7.9.5

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