- up_read
- if !user_mode
- whatever error handling
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
bad_area:
up_read(&mm->mmap_sem);
- /* User mode accesses just cause a SIGSEGV */
- if (user_mode(regs)) {
- tsk->thread.fault_address = address;
- force_sig_fault(SIGSEGV, si_code, (void __user *)address, tsk);
- return;
- }
+ if (!user_mode(regs))
+ goto no_context;
+
+ tsk->thread.fault_address = address;
+ force_sig_fault(SIGSEGV, si_code, (void __user *)address, tsk);
+ return;
out_of_memory:
up_read(&mm->mmap_sem);
- if (user_mode(regs)) {
- pagefault_out_of_memory();
- return;
- }
+ if (!user_mode(regs))
+ goto no_context;
- goto no_context;
+ pagefault_out_of_memory();
+ return;
do_sigbus:
up_read(&mm->mmap_sem);