[PATCH 07/94] arch/mips/kernel/traps: Use vma_lookup() instead of find_vma_intersection()

Liam Howlett liam.howlett at oracle.com
Wed Apr 28 16:35:46 BST 2021


Use the new vma_lookup() call for abstraction & code readability.

Signed-off-by: Liam R. Howlett <Liam.Howlett at Oracle.com>
---
 arch/mips/kernel/traps.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 0b4e06303c55..6f07362de5ce 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -784,7 +784,6 @@ void force_fcr31_sig(unsigned long fcr31, void __user *fault_addr,
 int process_fpemu_return(int sig, void __user *fault_addr, unsigned long fcr31)
 {
 	int si_code;
-	struct vm_area_struct *vma;
 
 	switch (sig) {
 	case 0:
@@ -800,8 +799,7 @@ int process_fpemu_return(int sig, void __user *fault_addr, unsigned long fcr31)
 
 	case SIGSEGV:
 		mmap_read_lock(current->mm);
-		vma = find_vma(current->mm, (unsigned long)fault_addr);
-		if (vma && (vma->vm_start <= (unsigned long)fault_addr))
+		if (vma_lookup(current->mm, (unsigned long)fault_addr))
 			si_code = SEGV_ACCERR;
 		else
 			si_code = SEGV_MAPERR;
-- 
2.30.2



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