From mboxrd@z Thu Jan 1 00:00:00 1970 From: SF Markus Elfring Subject: [PATCH 3/4] KVM-S390: Less function calls in kvm_s390_import_bp_data() after error detection Date: Wed, 17 Aug 2016 20:10:37 +0200 Message-ID: <47f88a11-b949-28ed-5589-925888a37574@users.sourceforge.net> References: <82b84c9c-38a4-4d17-910f-312668dbae01@users.sourceforge.net> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <82b84c9c-38a4-4d17-910f-312668dbae01@users.sourceforge.net> Sender: linux-kernel-owner@vger.kernel.org List-Archive: List-Post: To: kvm@vger.kernel.org, linux-s390@vger.kernel.org, =?UTF-8?Q?Christian_Borntr=c3=a4ger?= , Cornelia Huck , David Hildenbrand , Heiko Carstens , Martin Schwidefsky , Paolo Bonzini , =?UTF-8?B?UmFkaW0gS3LEjW3DocWZ?= Cc: LKML , kernel-janitors@vger.kernel.org, Julia Lawall List-ID: From: Markus Elfring Date: Wed, 17 Aug 2016 19:25:50 +0200 The kfree() function was called in a few cases by the kvm_s390_import_bp_data() function during error handling even if a passed variable contained a null pointer. Adjust jump targets according to the Linux coding style convention. Signed-off-by: Markus Elfring --- arch/s390/kvm/guestdbg.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/arch/s390/kvm/guestdbg.c b/arch/s390/kvm/guestdbg.c index 8f886ee..f2514af 100644 --- a/arch/s390/kvm/guestdbg.c +++ b/arch/s390/kvm/guestdbg.c @@ -239,7 +239,7 @@ int kvm_s390_import_bp_data(struct kvm_vcpu *vcpu, wp_info = kmalloc(size, GFP_KERNEL); if (!wp_info) { ret = -ENOMEM; - goto error; + goto free_bp_data; } } size = nr_bp * sizeof(*bp_info); @@ -247,7 +247,7 @@ int kvm_s390_import_bp_data(struct kvm_vcpu *vcpu, bp_info = kmalloc(size, GFP_KERNEL); if (!bp_info) { ret = -ENOMEM; - goto error; + goto free_wp_info; } } @@ -257,7 +257,7 @@ int kvm_s390_import_bp_data(struct kvm_vcpu *vcpu, ret = __import_wp_info(vcpu, &bp_data[i], &wp_info[nr_wp]); if (ret) - goto error; + goto free_bp_info; nr_wp++; break; case KVM_HW_BP: @@ -273,10 +273,12 @@ int kvm_s390_import_bp_data(struct kvm_vcpu *vcpu, vcpu->arch.guestdbg.nr_hw_wp = nr_wp; vcpu->arch.guestdbg.hw_wp_info = wp_info; return 0; -error: - kfree(bp_data); - kfree(wp_info); +free_bp_info: kfree(bp_info); +free_wp_info: + kfree(wp_info); +free_bp_data: + kfree(bp_data); return ret; } -- 2.9.3