hc
2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da
kernel/samples/hw_breakpoint/data_breakpoint.c
....@@ -1,19 +1,6 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
12 /*
23 * data_breakpoint.c - Sample HW Breakpoint file to watch kernel data address
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, write to the Free Software
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- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
174 *
185 * usage: insmod data_breakpoint.ko ksym=<ksym_name>
196 *
....@@ -83,7 +70,9 @@
8370 static void __exit hw_break_module_exit(void)
8471 {
8572 unregister_wide_hw_breakpoint(sample_hbp);
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- symbol_put(ksym_name);
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+#ifdef CONFIG_MODULE_UNLOAD
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+ __symbol_put(ksym_name);
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+#endif
8776 printk(KERN_INFO "HW Breakpoint for %s write uninstalled\n", ksym_name);
8877 }
8978