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virt: hvc_sysfs: Another build fix for Linux v6.13

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In Linux v6.13, commit 94a20fb9af16 ("sysfs: treewide: constify
attribute callback of bin_attribute::mmap()") changed the type of
the 'struct bin_attribute' argument of the bin_attribute:mmap function
pointer to const.

One instance of this change has already been fixed in the hvc_sysfs
driver but another case was recently introduced breaking the build for
Linux v6.13. Fix this in the same way as the previous instance.

Bug 4985113
Bug 4991705

Change-Id: I7f68138f3b484ebfe7a4ff5032c7b4365865f248
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3287044
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: Manish Bhardwaj <mbhardwaj@nvidia.com>
This commit is contained in:
Jon Hunter
2025-01-20 20:42:33 +00:00
parent c3fdf73467
commit 005cbe4462
1 changed files with 6 additions and 1 deletions
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7
drivers/virt/tegra/hvc_sysfs.c
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@@ -63,7 +63,12 @@ static struct hyp_shared_memory_info hyp_shared_memory_attrs[HYP_SHM_ID_NUM];
/* Map the HV trace buffer to the calling user process */
static int nvlog_buffer_mmap(struct file *fp, struct kobject *ko,
struct bin_attribute *attr, struct vm_area_struct *vma)
#if defined(NV_BIN_ATTRIBUTE_STRUCT_MMAP_HAS_CONST_BIN_ATTRIBUTE_ARG) /* Linux v6.13 */
const struct bin_attribute *attr,
#else
struct bin_attribute *attr,
#endif
struct vm_area_struct *vma)
{
struct nvlog_shmem_info *info = container_of(attr, struct nvlog_shmem_info, attr);