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Subject[PATCH v2 23/27] stating: ccree: fix allocation of void sized buf
Date
We were allocating buffers using sizeof(*struct->field) where field was
type void. Fix it by having a local variable with the real type.

Cc: stable@vger.kernel.org
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
---
drivers/staging/ccree/ssi_ivgen.c | 9 ++++-----
drivers/staging/ccree/ssi_sram_mgr.c | 9 ++++++---
2 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/drivers/staging/ccree/ssi_ivgen.c b/drivers/staging/ccree/ssi_ivgen.c
index 94a0502..9d8d307 100644
--- a/drivers/staging/ccree/ssi_ivgen.c
+++ b/drivers/staging/ccree/ssi_ivgen.c
@@ -175,13 +175,10 @@ int cc_ivgen_init(struct cc_drvdata *drvdata)
int rc;

/* Allocate "this" context */
- drvdata->ivgen_handle = kzalloc(sizeof(*drvdata->ivgen_handle),
- GFP_KERNEL);
- if (!drvdata->ivgen_handle)
+ ivgen_ctx = kzalloc(sizeof(*ivgen_ctx), GFP_KERNEL);
+ if (!ivgen_ctx)
return -ENOMEM;

- ivgen_ctx = drvdata->ivgen_handle;
-
/* Allocate pool's header for initial enc. key/IV */
ivgen_ctx->pool_meta = dma_alloc_coherent(device, CC_IVPOOL_META_SIZE,
&ivgen_ctx->pool_meta_dma,
@@ -200,6 +197,8 @@ int cc_ivgen_init(struct cc_drvdata *drvdata)
goto out;
}

+ drvdata->ivgen_handle = ivgen_ctx;
+
return cc_init_iv_sram(drvdata);

out:
diff --git a/drivers/staging/ccree/ssi_sram_mgr.c b/drivers/staging/ccree/ssi_sram_mgr.c
index e178385..3a93299 100644
--- a/drivers/staging/ccree/ssi_sram_mgr.c
+++ b/drivers/staging/ccree/ssi_sram_mgr.c
@@ -32,13 +32,16 @@ void cc_sram_mgr_fini(struct cc_drvdata *drvdata)
*/
int cc_sram_mgr_init(struct cc_drvdata *drvdata)
{
+ struct cc_sram_ctx *ctx;
+
/* Allocate "this" context */
- drvdata->sram_mgr_handle = kzalloc(sizeof(*drvdata->sram_mgr_handle),
- GFP_KERNEL);
+ ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);

- if (!drvdata->sram_mgr_handle)
+ if (!ctx)
return -ENOMEM;

+ drvdata->sram_mgr_handle = ctx;
+
return 0;
}

--
2.7.4
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