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tmpfs: don't undo fallocate past its last page
[GitHub/mt8127/android_kernel_alcatel_ttab.git]
/
mm
/
process_vm_access.c
diff --git
a/mm/process_vm_access.c
b/mm/process_vm_access.c
index fd26d0433509e2b5885c74249a9eb04828285180..e739825be8b35b1f4e3fe40ab62101991160f466 100644
(file)
--- a/
mm/process_vm_access.c
+++ b/
mm/process_vm_access.c
@@
-298,7
+298,7
@@
static ssize_t process_vm_rw_core(pid_t pid, const struct iovec *lvec,
goto free_proc_pages;
}
- mm = mm_access(task, PTRACE_MODE_ATTACH);
+ mm = mm_access(task, PTRACE_MODE_ATTACH
_REALCREDS
);
if (!mm || IS_ERR(mm)) {
rc = IS_ERR(mm) ? PTR_ERR(mm) : -ESRCH;
/*