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When calling debugfs functions, there is no need to ever check the return value. The function can work or not, but the code logic should never do something different based on this. Cc: Russell King <linux@armlinux.org.uk> Cc: Jinbum Park <jinb.park7@gmail.com> Cc: linux-arm-kernel@lists.infradead.org Reviewed-by: Kees Cook <keescook@chromium.org> Acked-by: Laura Abbott <labbott@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
41 lines
923 B
C
41 lines
923 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (C) 2014 ARM Ltd. */
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#ifndef __ASM_PTDUMP_H
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#define __ASM_PTDUMP_H
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#ifdef CONFIG_ARM_PTDUMP_CORE
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#include <linux/mm_types.h>
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#include <linux/seq_file.h>
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struct addr_marker {
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unsigned long start_address;
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char *name;
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};
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struct ptdump_info {
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struct mm_struct *mm;
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const struct addr_marker *markers;
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unsigned long base_addr;
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};
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void ptdump_walk_pgd(struct seq_file *s, struct ptdump_info *info);
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#ifdef CONFIG_ARM_PTDUMP_DEBUGFS
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void ptdump_debugfs_register(struct ptdump_info *info, const char *name);
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#else
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static inline void ptdump_debugfs_register(struct ptdump_info *info,
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const char *name) { }
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#endif /* CONFIG_ARM_PTDUMP_DEBUGFS */
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void ptdump_check_wx(void);
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#endif /* CONFIG_ARM_PTDUMP_CORE */
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#ifdef CONFIG_DEBUG_WX
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#define debug_checkwx() ptdump_check_wx()
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#else
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#define debug_checkwx() do { } while (0)
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#endif
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#endif /* __ASM_PTDUMP_H */
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