superrob1500
/
mirror-linux
mirror of https://github.com/torvalds/linux
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

gpu: host1x: Correct allocated size for contexts 

[ Upstream commit e889a311f7 ]

Original implementation over allocates the memory size for the
contexts list. The size of memory for the contexts list is based
on the number of iommu groups specified in the device tree.

Fixes: 8aa5bcb616 ("gpu: host1x: Add context device management code")
Signed-off-by: Johnny Liu <johnliu@nvidia.com>
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230901115910.701518-1-cyndis@kapsi.fi
Signed-off-by: Sasha Levin <sashal@kernel.org>
pull/1175/head
Johnny Liu 2023-09-01 14:59:09 +03:00 committed by Greg Kroah-Hartman
parent 9da0193454
commit af19ebfc6a
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/gpu/host1x/context.c
View File

@ -34,10 +34,10 @@ int host1x_memory_context_list_init(struct host1x *host1x)
if (err < 0)
return 0;
cdl->devs = kcalloc(err, sizeof(*cdl->devs), GFP_KERNEL);
cdl->len = err / 4;
cdl->devs = kcalloc(cdl->len, sizeof(*cdl->devs), GFP_KERNEL);
if (!cdl->devs)
return -ENOMEM;
cdl->len = err / 4;
for (i = 0; i < cdl->len; i++) {
struct iommu_fwspec *fwspec;