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remoteproc: Use size_t type for len in da_to_va

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With upcoming changes in elf loader for elf64 support, section size will
be a u64. When used with da_to_va, this will potentially lead to
overflow if using the current "int" type for len argument. Change
da_to_va prototype to use a size_t for len and fix all users of this
function.

Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Clement Leger <cleger@kalray.eu>
Link: https://lore.kernel.org/r/20200302093902.27849-2-cleger@kalray.eu
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Clement Leger
2020-03-02 10:38:55 +01:00
committed by Bjorn Andersson
parent 2e7d4c2c4b
commit 9ce3bf225e
12 changed files with 20 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/remoteproc/imx_rproc.c
View File

@@ -186,7 +186,7 @@ static int imx_rproc_stop(struct rproc *rproc)
} }
static int imx_rproc_da_to_sys(struct imx_rproc *priv, u64 da, static int imx_rproc_da_to_sys(struct imx_rproc *priv, u64 da,
int len, u64 *sys) size_t len, u64 *sys)
{ {
const struct imx_rproc_dcfg *dcfg = priv->dcfg; const struct imx_rproc_dcfg *dcfg = priv->dcfg;
int i; int i;
@@ -203,19 +203,19 @@ static int imx_rproc_da_to_sys(struct imx_rproc *priv, u64 da,
} }
} }
dev_warn(priv->dev, "Translation failed: da = 0x%llx len = 0x%x\n", dev_warn(priv->dev, "Translation failed: da = 0x%llx len = 0x%zx\n",
da, len); da, len);
return -ENOENT; return -ENOENT;
} }
static void *imx_rproc_da_to_va(struct rproc *rproc, u64 da, int len) static void *imx_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len)
{ {
struct imx_rproc *priv = rproc->priv; struct imx_rproc *priv = rproc->priv;
void *va = NULL; void *va = NULL;
u64 sys; u64 sys;
int i; int i;
if (len <= 0) if (len == 0)
return NULL; return NULL;
/* /*
@@ -235,7 +235,8 @@ static void *imx_rproc_da_to_va(struct rproc *rproc, u64 da, int len)
} }
} }
dev_dbg(&rproc->dev, "da = 0x%llx len = 0x%x va = 0x%p\n", da, len, va); dev_dbg(&rproc->dev, "da = 0x%llx len = 0x%zx va = 0x%p\n",
da, len, va);
return va; return va;
} }

4
drivers/remoteproc/keystone_remoteproc.c
View File

@@ -246,7 +246,7 @@ static void keystone_rproc_kick(struct rproc *rproc, int vqid)
* can be used either by the remoteproc core for loading (when using kernel * can be used either by the remoteproc core for loading (when using kernel
* remoteproc loader), or by any rpmsg bus drivers. * remoteproc loader), or by any rpmsg bus drivers.
*/ */
static void *keystone_rproc_da_to_va(struct rproc *rproc, u64 da, int len) static void *keystone_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len)
{ {
struct keystone_rproc *ksproc = rproc->priv; struct keystone_rproc *ksproc = rproc->priv;
void __iomem *va = NULL; void __iomem *va = NULL;
@@ -255,7 +255,7 @@ static void *keystone_rproc_da_to_va(struct rproc *rproc, u64 da, int len)
size_t size; size_t size;
int i; int i;
if (len <= 0) if (len == 0)
return NULL; return NULL;
for (i = 0; i < ksproc->num_mems; i++) { for (i = 0; i < ksproc->num_mems; i++) {

2
drivers/remoteproc/qcom_q6v5_adsp.c
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@@ -270,7 +270,7 @@ static int adsp_stop(struct rproc *rproc)
return ret; return ret;
} }
static void *adsp_da_to_va(struct rproc *rproc, u64 da, int len) static void *adsp_da_to_va(struct rproc *rproc, u64 da, size_t len)
{ {
struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv; struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
int offset; int offset;

2
drivers/remoteproc/qcom_q6v5_mss.c
View File

@@ -1325,7 +1325,7 @@ static int q6v5_stop(struct rproc *rproc)
return 0; return 0;
} }
static void *q6v5_da_to_va(struct rproc *rproc, u64 da, int len) static void *q6v5_da_to_va(struct rproc *rproc, u64 da, size_t len)
{ {
struct q6v5 *qproc = rproc->priv; struct q6v5 *qproc = rproc->priv;
int offset; int offset;

2
drivers/remoteproc/qcom_q6v5_pas.c
View File

@@ -222,7 +222,7 @@ static int adsp_stop(struct rproc *rproc)
return ret; return ret;
} }
static void *adsp_da_to_va(struct rproc *rproc, u64 da, int len) static void *adsp_da_to_va(struct rproc *rproc, u64 da, size_t len)
{ {
struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv; struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
int offset; int offset;

2
drivers/remoteproc/qcom_q6v5_wcss.c
View File

@@ -406,7 +406,7 @@ static int q6v5_wcss_stop(struct rproc *rproc)
return 0; return 0;
} }
static void *q6v5_wcss_da_to_va(struct rproc *rproc, u64 da, int len) static void *q6v5_wcss_da_to_va(struct rproc *rproc, u64 da, size_t len)
{ {
struct q6v5_wcss *wcss = rproc->priv; struct q6v5_wcss *wcss = rproc->priv;
int offset; int offset;

2
drivers/remoteproc/qcom_wcnss.c
View File

@@ -287,7 +287,7 @@ static int wcnss_stop(struct rproc *rproc)
return ret; return ret;
} }
static void *wcnss_da_to_va(struct rproc *rproc, u64 da, int len) static void *wcnss_da_to_va(struct rproc *rproc, u64 da, size_t len)
{ {
struct qcom_wcnss *wcnss = (struct qcom_wcnss *)rproc->priv; struct qcom_wcnss *wcnss = (struct qcom_wcnss *)rproc->priv;
int offset; int offset;

2
drivers/remoteproc/remoteproc_core.c
View File

@@ -185,7 +185,7 @@ EXPORT_SYMBOL(rproc_va_to_pa);
* here the output of the DMA API for the carveouts, which should be more * here the output of the DMA API for the carveouts, which should be more
* correct. * correct.
*/ */
void *rproc_da_to_va(struct rproc *rproc, u64 da, int len) void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len)
{ {
struct rproc_mem_entry *carveout; struct rproc_mem_entry *carveout;
void *ptr = NULL; void *ptr = NULL;

2
drivers/remoteproc/remoteproc_internal.h
View File

@@ -50,7 +50,7 @@ void rproc_exit_sysfs(void);
void rproc_free_vring(struct rproc_vring *rvring); void rproc_free_vring(struct rproc_vring *rvring);
int rproc_alloc_vring(struct rproc_vdev *rvdev, int i); int rproc_alloc_vring(struct rproc_vdev *rvdev, int i);
void *rproc_da_to_va(struct rproc *rproc, u64 da, int len); void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len);
phys_addr_t rproc_va_to_pa(void *cpu_addr); phys_addr_t rproc_va_to_pa(void *cpu_addr);
int rproc_trigger_recovery(struct rproc *rproc); int rproc_trigger_recovery(struct rproc *rproc);

4
drivers/remoteproc/st_slim_rproc.c
View File

@@ -174,7 +174,7 @@ static int slim_rproc_stop(struct rproc *rproc)
return 0; return 0;
} }
static void *slim_rproc_da_to_va(struct rproc *rproc, u64 da, int len) static void *slim_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len)
{ {
struct st_slim_rproc *slim_rproc = rproc->priv; struct st_slim_rproc *slim_rproc = rproc->priv;
void *va = NULL; void *va = NULL;
@@ -191,7 +191,7 @@ static void *slim_rproc_da_to_va(struct rproc *rproc, u64 da, int len)
} }
} }
dev_dbg(&rproc->dev, "da = 0x%llx len = 0x%x va = 0x%pK\n", dev_dbg(&rproc->dev, "da = 0x%llx len = 0x%zx va = 0x%pK\n",
da, len, va); da, len, va);
return va; return va;

4
drivers/remoteproc/wkup_m3_rproc.c
View File

@@ -80,14 +80,14 @@ static int wkup_m3_rproc_stop(struct rproc *rproc)
return 0; return 0;
} }
static void *wkup_m3_rproc_da_to_va(struct rproc *rproc, u64 da, int len) static void *wkup_m3_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len)
{ {
struct wkup_m3_rproc *wkupm3 = rproc->priv; struct wkup_m3_rproc *wkupm3 = rproc->priv;
void *va = NULL; void *va = NULL;
int i; int i;
u32 offset; u32 offset;
if (len <= 0) if (len == 0)
return NULL; return NULL;
for (i = 0; i < WKUPM3_MEM_MAX; i++) { for (i = 0; i < WKUPM3_MEM_MAX; i++) {

2
include/linux/remoteproc.h
View File

@@ -374,7 +374,7 @@ struct rproc_ops {
int (*start)(struct rproc *rproc); int (*start)(struct rproc *rproc);
int (*stop)(struct rproc *rproc); int (*stop)(struct rproc *rproc);
void (*kick)(struct rproc *rproc, int vqid); void (*kick)(struct rproc *rproc, int vqid);
void * (*da_to_va)(struct rproc *rproc, u64 da, int len); void * (*da_to_va)(struct rproc *rproc, u64 da, size_t len);
int (*parse_fw)(struct rproc *rproc, const struct firmware *fw); int (*parse_fw)(struct rproc *rproc, const struct firmware *fw);
int (*handle_rsc)(struct rproc *rproc, u32 rsc_type, void *rsc, int (*handle_rsc)(struct rproc *rproc, u32 rsc_type, void *rsc,
int offset, int avail); int offset, int avail);