.. | .. |
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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 | * data_breakpoint.c - Sample HW Breakpoint file to watch kernel data address |
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3 | | - * |
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4 | | - * This program is free software; you can redistribute it and/or modify |
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5 | | - * it under the terms of the GNU General Public License as published by |
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6 | | - * the Free Software Foundation; either version 2 of the License, or |
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7 | | - * (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, write to the Free Software |
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16 | | - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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17 | 4 | * |
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18 | 5 | * usage: insmod data_breakpoint.ko ksym=<ksym_name> |
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19 | 6 | * |
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.. | .. |
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83 | 70 | static void __exit hw_break_module_exit(void) |
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84 | 71 | { |
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85 | 72 | unregister_wide_hw_breakpoint(sample_hbp); |
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86 | | - symbol_put(ksym_name); |
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| 73 | +#ifdef CONFIG_MODULE_UNLOAD |
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| 74 | + __symbol_put(ksym_name); |
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| 75 | +#endif |
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87 | 76 | printk(KERN_INFO "HW Breakpoint for %s write uninstalled\n", ksym_name); |
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88 | 77 | } |
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89 | 78 | |
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