Re: [PATCH] drm/msm: Fix incorrect struct size for memory allocation

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On 2/21/2019 2:54 PM, Jordan Crouse wrote:
The allocation for the clock bulk data does a classic sizeof(pointer)
instead of sizeof(struct) so the array ends up incorrectly sized
for the clock data.

Cc: stable@xxxxxxxxxxxxxxx
Fixes: 8e54eea ("drm/msm: Add a helper function to parse clock names")
Signed-off-by: Jordan Crouse <jcrouse@xxxxxxxxxxxxxx>
---

  drivers/gpu/drm/msm/msm_drv.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
index 906b2bb..31e1481 100644
--- a/drivers/gpu/drm/msm/msm_drv.c
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -96,7 +96,7 @@ int msm_clk_bulk_get(struct device *dev, struct clk_bulk_data **bulk)
  	if (count < 1)
  		return 0;
- local = devm_kcalloc(dev, sizeof(struct clk_bulk_data *),
+	local = devm_kcalloc(dev, sizeof(struct clk_bulk_data),
  		count, GFP_KERNEL);
  	if (!local)
  		return -ENOMEM;


Isn't msm_clk_bulk_get a duplication of devm_clk_bulk_get_all() ? Surely it would be better to just use that instead?

--
Jeffrey Hugo
Qualcomm Datacenter Technologies as an affiliate of Qualcomm Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the
Code Aurora Forum, a Linux Foundation Collaborative Project.



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