diff options
author | Greg Kroah-Hartman <gregkh@google.com> | 2020-06-24 18:17:12 +0200 |
---|---|---|
committer | Joonas Kylmälä <joonas.kylmala@iki.fi> | 2020-07-23 09:42:04 -0400 |
commit | 1ede35ec7affe6df78a16c36044a7b0538f5b163 (patch) | |
tree | 4eba5839dd65ca97a323bd86af2643b63a8c8095 /kernel/sys.c | |
parent | 2709f5f654bc8b7a6ac1eaae918598f1c5db9079 (diff) | |
download | kernel_replicant_linux-1ede35ec7affe6df78a16c36044a7b0538f5b163.tar.gz kernel_replicant_linux-1ede35ec7affe6df78a16c36044a7b0538f5b163.tar.bz2 kernel_replicant_linux-1ede35ec7affe6df78a16c36044a7b0538f5b163.zip |
ANDROID: fix up direct access to mmap_sem
It's now being abstracted away, so fix up the ANDROID specific code that
touches the lock to use the correct functions instead.
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I9cedb62118cd1bba7af27deb11499d312d24d7fc
Diffstat (limited to 'kernel/sys.c')
-rw-r--r-- | kernel/sys.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/sys.c b/kernel/sys.c index 70e6f1ad9a4f..93042b22ae49 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -2374,7 +2374,7 @@ static int prctl_set_vma_anon_name(unsigned long start, unsigned long end, return error; if (prev) vma = prev->vm_next; - else /* madvise_remove dropped mmap_sem */ + else /* madvise_remove dropped mmap_lock */ vma = find_vma(current->mm, start); } } @@ -2402,7 +2402,7 @@ static int prctl_set_vma(unsigned long opt, unsigned long start, if (end == start) return 0; - down_write(&mm->mmap_sem); + mmap_write_lock(mm); switch (opt) { case PR_SET_VMA_ANON_NAME: @@ -2412,7 +2412,7 @@ static int prctl_set_vma(unsigned long opt, unsigned long start, error = -EINVAL; } - up_write(&mm->mmap_sem); + mmap_write_unlock(mm); return error; } |