From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sasha Levin Subject: [PATCH AUTOSEL 4.19 088/100] drm/amdgpu: fix memory leak Date: Fri, 18 Oct 2019 18:05:13 -0400 Message-ID: <20191018220525.9042-88-sashal@kernel.org> References: <20191018220525.9042-1-sashal@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20191018220525.9042-1-sashal-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "amd-gfx" To: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, stable-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: Sasha Levin , dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, Nirmoy Das , amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, Alex Deucher , =?UTF-8?q?Christian=20K=C3=B6nig?= RnJvbTogTmlybW95IERhcyA8bmlybW95LmRhc0BhbWQuY29tPgoKWyBVcHN0cmVhbSBjb21taXQg MDgzMTY0ZGJkYjE3YzVlYTRhZDkyYzE3ODJiNTljOWQ3NTU2Nzc5MCBdCgpjbGVhbnVwIGVycm9y IGhhbmRsaW5nIGNvZGUgYW5kIG1ha2Ugc3VyZSB0ZW1wb3JhcnkgaW5mbyBhcnJheQp3aXRoIHRo ZSBoYW5kbGVzIGFyZSBmcmVlZCBieSBhbWRncHVfYm9fbGlzdF9wdXQoKSBvbgppZHJfcmVwbGFj ZSgpJ3MgZmFpbHVyZS4KClNpZ25lZC1vZmYtYnk6IE5pcm1veSBEYXMgPG5pcm1veS5kYXNAYW1k LmNvbT4KUmV2aWV3ZWQtYnk6IENocmlzdGlhbiBLw7ZuaWcgPGNocmlzdGlhbi5rb2VuaWdAYW1k LmNvbT4KU2lnbmVkLW9mZi1ieTogQWxleCBEZXVjaGVyIDxhbGV4YW5kZXIuZGV1Y2hlckBhbWQu Y29tPgpTaWduZWQtb2ZmLWJ5OiBTYXNoYSBMZXZpbiA8c2FzaGFsQGtlcm5lbC5vcmc+Ci0tLQog ZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUvYW1kZ3B1X2JvX2xpc3QuYyB8IDE0ICsrKysrKyst LS0tLS0tCiAxIGZpbGUgY2hhbmdlZCwgNyBpbnNlcnRpb25zKCspLCA3IGRlbGV0aW9ucygtKQoK ZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV9ib19saXN0LmMg Yi9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfYm9fbGlzdC5jCmluZGV4IGI4MDI0 M2QzOTcyZTQuLmNlN2YxOGM1Y2NiMjYgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS9hbWQv YW1kZ3B1L2FtZGdwdV9ib19saXN0LmMKKysrIGIvZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUv YW1kZ3B1X2JvX2xpc3QuYwpAQCAtMjY0LDcgKzI2NCw3IEBAIGludCBhbWRncHVfYm9fbGlzdF9p b2N0bChzdHJ1Y3QgZHJtX2RldmljZSAqZGV2LCB2b2lkICpkYXRhLAogCiAJciA9IGFtZGdwdV9i b19jcmVhdGVfbGlzdF9lbnRyeV9hcnJheSgmYXJncy0+aW4sICZpbmZvKTsKIAlpZiAocikKLQkJ Z290byBlcnJvcl9mcmVlOworCQlyZXR1cm4gcjsKIAogCXN3aXRjaCAoYXJncy0+aW4ub3BlcmF0 aW9uKSB7CiAJY2FzZSBBTURHUFVfQk9fTElTVF9PUF9DUkVBVEU6CkBAIC0yNzcsOCArMjc3LDcg QEAgaW50IGFtZGdwdV9ib19saXN0X2lvY3RsKHN0cnVjdCBkcm1fZGV2aWNlICpkZXYsIHZvaWQg KmRhdGEsCiAJCXIgPSBpZHJfYWxsb2MoJmZwcml2LT5ib19saXN0X2hhbmRsZXMsIGxpc3QsIDEs IDAsIEdGUF9LRVJORUwpOwogCQltdXRleF91bmxvY2soJmZwcml2LT5ib19saXN0X2xvY2spOwog CQlpZiAociA8IDApIHsKLQkJCWFtZGdwdV9ib19saXN0X3B1dChsaXN0KTsKLQkJCXJldHVybiBy OworCQkJZ290byBlcnJvcl9wdXRfbGlzdDsKIAkJfQogCiAJCWhhbmRsZSA9IHI7CkBAIC0zMDAs OSArMjk5LDggQEAgaW50IGFtZGdwdV9ib19saXN0X2lvY3RsKHN0cnVjdCBkcm1fZGV2aWNlICpk ZXYsIHZvaWQgKmRhdGEsCiAJCW11dGV4X3VubG9jaygmZnByaXYtPmJvX2xpc3RfbG9jayk7CiAK IAkJaWYgKElTX0VSUihvbGQpKSB7Ci0JCQlhbWRncHVfYm9fbGlzdF9wdXQobGlzdCk7CiAJCQly ID0gUFRSX0VSUihvbGQpOwotCQkJZ290byBlcnJvcl9mcmVlOworCQkJZ290byBlcnJvcl9wdXRf bGlzdDsKIAkJfQogCiAJCWFtZGdwdV9ib19saXN0X3B1dChvbGQpOwpAQCAtMzE5LDggKzMxNywx MCBAQCBpbnQgYW1kZ3B1X2JvX2xpc3RfaW9jdGwoc3RydWN0IGRybV9kZXZpY2UgKmRldiwgdm9p ZCAqZGF0YSwKIAogCXJldHVybiAwOwogCitlcnJvcl9wdXRfbGlzdDoKKwlhbWRncHVfYm9fbGlz dF9wdXQobGlzdCk7CisKIGVycm9yX2ZyZWU6Ci0JaWYgKGluZm8pCi0JCWt2ZnJlZShpbmZvKTsK KwlrdmZyZWUoaW5mbyk7CiAJcmV0dXJuIHI7CiB9Ci0tIAoyLjIwLjEKCl9fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmFtZC1nZnggbWFpbGluZyBsaXN0CmFt ZC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3Jn L21haWxtYW4vbGlzdGluZm8vYW1kLWdmeA== From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C4274CA9EA9 for ; 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Fri, 18 Oct 2019 22:07:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1571436456; bh=Dr07u1IWmJ4xY9s/UFzSO3UPZDv9wy6lz4GnA0jH21c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CPsydKzTrc5LiDxwsvoOGFXDa0IXRmdDoW+XVp6hW3MVTPFhl7oyKsAbVAn82oppJ ENCDtTRmlnZ32IbH+UBQiI95N8DRYnCp4qj6nehuiuE5azkl178+WRPh9PEHILBi6B PLUfevcVyV+zwPanyKtFQX+5i+fdQyGn3PSJh1uc= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Nirmoy Das , =?UTF-8?q?Christian=20K=C3=B6nig?= , Alex Deucher , Sasha Levin , amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 4.19 088/100] drm/amdgpu: fix memory leak Date: Fri, 18 Oct 2019 18:05:13 -0400 Message-Id: <20191018220525.9042-88-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191018220525.9042-1-sashal@kernel.org> References: <20191018220525.9042-1-sashal@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Nirmoy Das [ Upstream commit 083164dbdb17c5ea4ad92c1782b59c9d75567790 ] cleanup error handling code and make sure temporary info array with the handles are freed by amdgpu_bo_list_put() on idr_replace()'s failure. Signed-off-by: Nirmoy Das Reviewed-by: Christian König Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c index b80243d3972e4..ce7f18c5ccb26 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c @@ -264,7 +264,7 @@ int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data, r = amdgpu_bo_create_list_entry_array(&args->in, &info); if (r) - goto error_free; + return r; switch (args->in.operation) { case AMDGPU_BO_LIST_OP_CREATE: @@ -277,8 +277,7 @@ int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data, r = idr_alloc(&fpriv->bo_list_handles, list, 1, 0, GFP_KERNEL); mutex_unlock(&fpriv->bo_list_lock); if (r < 0) { - amdgpu_bo_list_put(list); - return r; + goto error_put_list; } handle = r; @@ -300,9 +299,8 @@ int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data, mutex_unlock(&fpriv->bo_list_lock); if (IS_ERR(old)) { - amdgpu_bo_list_put(list); r = PTR_ERR(old); - goto error_free; + goto error_put_list; } amdgpu_bo_list_put(old); @@ -319,8 +317,10 @@ int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data, return 0; +error_put_list: + amdgpu_bo_list_put(list); + error_free: - if (info) - kvfree(info); + kvfree(info); return r; } -- 2.20.1