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| 1 | +// SPDX-License-Identifier: GPL-2.0-or-later |
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1 | 2 | /* |
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2 | 3 | * Copyright (C) 2017 Joe Lawrence <joe.lawrence@redhat.com> |
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3 | | - * |
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4 | | - * This program is free software; you can redistribute it and/or |
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5 | | - * modify it under the terms of the GNU General Public License |
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6 | | - * as published by the Free Software Foundation; either version 2 |
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7 | | - * of the License, or (at your option) any later version. |
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8 | | - * |
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9 | | - * This program is distributed in the hope that it will be useful, |
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10 | | - * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 | | - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 | | - * GNU General Public License for more details. |
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13 | | - * |
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14 | | - * You should have received a copy of the GNU General Public License |
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15 | | - * along with this program; if not, see <http://www.gnu.org/licenses/>. |
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16 | 4 | */ |
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17 | 5 | |
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18 | 6 | /* |
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.. | .. |
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195 | 183 | |
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196 | 184 | static int livepatch_callbacks_demo_init(void) |
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197 | 185 | { |
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198 | | - int ret; |
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199 | | - |
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200 | | - ret = klp_register_patch(&patch); |
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201 | | - if (ret) |
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202 | | - return ret; |
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203 | | - ret = klp_enable_patch(&patch); |
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204 | | - if (ret) { |
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205 | | - WARN_ON(klp_unregister_patch(&patch)); |
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206 | | - return ret; |
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207 | | - } |
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208 | | - return 0; |
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| 186 | + return klp_enable_patch(&patch); |
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209 | 187 | } |
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210 | 188 | |
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211 | 189 | static void livepatch_callbacks_demo_exit(void) |
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212 | 190 | { |
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213 | | - WARN_ON(klp_unregister_patch(&patch)); |
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214 | 191 | } |
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215 | 192 | |
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216 | 193 | module_init(livepatch_callbacks_demo_init); |
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