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From:   Liam Howlett <liam.howlett@oracle.com>
To:     "maple-tree@lists.infradead.org" <maple-tree@lists.infradead.org>,
        "linux-mm@kvack.org" <linux-mm@kvack.org>,
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        Rik van Riel <riel@surriel.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Michel Lespinasse <walken.cr@gmail.com>,
        Liam Howlett <liam.howlett@oracle.com>
Subject: [PATCH 07/94] arch/mips/kernel/traps: Use vma_lookup() instead of
 find_vma_intersection()
Thread-Topic: [PATCH 07/94] arch/mips/kernel/traps: Use vma_lookup() instead
 of find_vma_intersection()
Thread-Index: AQHXPEQoPgGZavX84UqTAudtapKYAw==
Date:   Wed, 28 Apr 2021 15:35:46 +0000
Message-ID: <20210428153542.2814175-8-Liam.Howlett@Oracle.com>
References: <20210428153542.2814175-1-Liam.Howlett@Oracle.com>
In-Reply-To: <20210428153542.2814175-1-Liam.Howlett@Oracle.com>
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Use the new vma_lookup() call for abstraction & code readability.

Signed-off-by: Liam R. Howlett <Liam.Howlett@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 f=
cr31)
 {
 	int si_code;
-	struct vm_area_struct *vma;
=20
 	switch (sig) {
 	case 0:
@@ -800,8 +799,7 @@ int process_fpemu_return(int sig, void __user *fault_ad=
dr, unsigned long fcr31)
=20
 	case SIGSEGV:
 		mmap_read_lock(current->mm);
-		vma =3D find_vma(current->mm, (unsigned long)fault_addr);
-		if (vma && (vma->vm_start <=3D (unsigned long)fault_addr))
+		if (vma_lookup(current->mm, (unsigned long)fault_addr))
 			si_code =3D SEGV_ACCERR;
 		else
 			si_code =3D SEGV_MAPERR;
--=20
2.30.2