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McKenney" , Matthew Wilcox , Laurent Dufour , David Rientjes , Axel Rasmussen , Suren Baghdasaryan , Vlastimil Babka , Rik van Riel , Peter Zijlstra , Michel Lespinasse , Liam Howlett 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> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.30.2 authentication-results: lists.infradead.org; dkim=none (message not signed) header.d=none;lists.infradead.org; dmarc=none action=none header.from=oracle.com; x-originating-ip: [23.233.25.87] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 0a864fcf-c0c0-453c-37a5-08d90a5b4aea x-ms-traffictypediagnostic: CO1PR10MB4497: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:1923; 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Signed-off-by: Liam R. Howlett --- 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