x86/dumpstack: Rename thread_struct::sig_on_uaccess_error to sig_on_uaccess_err

Rename it to match the thread_struct::uaccess_err pattern and also
because it was too long.

Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 5 insertions, 5 deletions

diff --git a/arch/x86/entry/vsyscall/vsyscall_64.c b/arch/x86/entry/vsyscall/vsyscall_64.c
index 3aba2b043050..75fc719b7f31 100644
--- a/arch/x86/entry/vsyscall/vsyscall_64.c
+++ b/arch/x86/entry/vsyscall/vsyscall_64.c
@@ -96,7 +96,7 @@ static bool write_ok_or_segv(unsigned long ptr, size_t size)
 {
         /*
          * XXX: if access_ok, get_user, and put_user handled
-         * sig_on_uaccess_error, this could go away.
+         * sig_on_uaccess_err, this could go away.
          */
 
         if (!access_ok(VERIFY_WRITE, (void __user *)ptr, size)) {
@@ -125,7 +125,7 @@ bool emulate_vsyscall(struct pt_regs *regs, unsigned long address)
         struct task_struct *tsk;
         unsigned long caller;
         int vsyscall_nr, syscall_nr, tmp;
-        int prev_sig_on_uaccess_error;
+        int prev_sig_on_uaccess_err;
         long ret;
 
         /*
@@ -221,8 +221,8 @@ bool emulate_vsyscall(struct pt_regs *regs, unsigned long address)
          * With a real vsyscall, page faults cause SIGSEGV.  We want to
          * preserve that behavior to make writing exploits harder.
          */
-        prev_sig_on_uaccess_error = current->thread.sig_on_uaccess_error;
-        current->thread.sig_on_uaccess_error = 1;
+        prev_sig_on_uaccess_err = current->thread.sig_on_uaccess_err;
+        current->thread.sig_on_uaccess_err = 1;
 
         ret = -EFAULT;
         switch (vsyscall_nr) {
@@ -243,7 +243,7 @@ bool emulate_vsyscall(struct pt_regs *regs, unsigned long address)
                 break;
         }
 
-        current->thread.sig_on_uaccess_error = prev_sig_on_uaccess_error;
+        current->thread.sig_on_uaccess_err = prev_sig_on_uaccess_err;
 
 check_fault:
         if (ret == -EFAULT) {