mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git
synced 2026-11-09 02:51:11 +01:00
Greg Kroah-Hartman
db0487abd6
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 <[email protected]> Cc: Jinbum Park <[email protected]> Cc: [email protected] Reviewed-by: Kees Cook <[email protected]> Acked-by: Laura Abbott <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
31 lines
666 B
C
31 lines
666 B
C
// SPDX-License-Identifier: GPL-2.0
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#include <linux/debugfs.h>
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#include <linux/seq_file.h>
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#include <asm/ptdump.h>
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static int ptdump_show(struct seq_file *m, void *v)
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{
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struct ptdump_info *info = m->private;
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ptdump_walk_pgd(m, info);
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return 0;
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}
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static int ptdump_open(struct inode *inode, struct file *file)
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{
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return single_open(file, ptdump_show, inode->i_private);
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}
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static const struct file_operations ptdump_fops = {
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.open = ptdump_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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};
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void ptdump_debugfs_register(struct ptdump_info *info, const char *name)
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{
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debugfs_create_file(name, 0400, NULL, info, &ptdump_fops);
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}
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