duff/android_kernel_motorola_sm6225
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gud: MobiCoreDriver: use mmap_lock instead of mmap_sem

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We backported c2bad05b7b ("BACKPORT:
mmap locking API: rename mmap_sem to mmap_lock"), which renames the
mm_struct mmap_sem field to mmap_lock

Change-Id: Iaea6ee34f78ab721c09aae70cd30792f2c2a6584
This commit is contained in:
basamaryan authored and Michael Bestas committed 2026-08-16 00:40:38 +03:00
1 parent f36e8c975f
commit 100203e161
1 file changed
-8
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drivers/gud/MobiCoreDriver/mmu.c
-8
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@@ -536,11 +536,7 @@ struct tee_mmu *tee_mmu_create(struct mm_struct *mm,
long gup_ret; long gup_ret;
/* Buffer was allocated in user space */ /* Buffer was allocated in user space */
#if KERNEL_VERSION(5, 7, 19) < LINUX_VERSION_CODE
down_read(&mm->mmap_lock); down_read(&mm->mmap_lock);
#else
down_read(&mm->mmap_sem);
#endif
/* /*
* Always try to map read/write from a Linux PoV, so * Always try to map read/write from a Linux PoV, so
* Linux creates (page faults) the underlying pages if * Linux creates (page faults) the underlying pages if
@@ -558,11 +554,7 @@ struct tee_mmu *tee_mmu_create(struct mm_struct *mm,
(uintptr_t)reader, (uintptr_t)reader,
nr_pages, 0, pages); nr_pages, 0, pages);
} }
#if KERNEL_VERSION(5, 7, 19) < LINUX_VERSION_CODE
up_read(&mm->mmap_lock); up_read(&mm->mmap_lock);
#else
up_read(&mm->mmap_sem);
#endif
if (gup_ret < 0) { if (gup_ret < 0) {
ret = gup_ret; ret = gup_ret;
mc_dev_err(ret, "failed to get user pages @%p", mc_dev_err(ret, "failed to get user pages @%p",