overlayfs: make ovl_cache_entry->name an array instead of pointer
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Родитель
3d268c9b13
Коммит
68bf861107
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@ -18,13 +18,13 @@
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#include "overlayfs.h"
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struct ovl_cache_entry {
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const char *name;
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unsigned int len;
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unsigned int type;
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u64 ino;
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bool is_whiteout;
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struct list_head l_node;
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struct rb_node node;
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char name[];
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};
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struct ovl_dir_cache {
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@ -82,13 +82,12 @@ static struct ovl_cache_entry *ovl_cache_entry_new(const char *name, int len,
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u64 ino, unsigned int d_type)
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{
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struct ovl_cache_entry *p;
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size_t size = offsetof(struct ovl_cache_entry, name[len + 1]);
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p = kmalloc(sizeof(*p) + len + 1, GFP_KERNEL);
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p = kmalloc(size, GFP_KERNEL);
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if (p) {
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char *name_copy = (char *) (p + 1);
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memcpy(name_copy, name, len);
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name_copy[len] = '\0';
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p->name = name_copy;
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memcpy(p->name, name, len);
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p->name[len] = '\0';
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p->len = len;
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p->type = d_type;
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p->ino = ino;
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