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mtd: rawnand: nandsim: Keep track of the created debugfs entries 

Debugfs entries should be removed in the error path, so first, keep
track of them.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200525085851.17682-6-miquel.raynal@bootlin.com
This commit is contained in:
Miquel Raynal 2020-05-25 10:58:39 +02:00
parent 052a7a5374
commit 7f2a17369f
1 changed files with 6 additions and 4 deletions
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10
drivers/mtd/nand/raw/nandsim.c
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@ -353,6 +353,9 @@ struct nandsim {
void *file_buf;
struct page *held_pages[NS_MAX_HELD_PAGES];
int held_cnt;
/* debugfs entry */
struct dentry *dent;
};
/*
@ -495,7 +498,6 @@ DEFINE_SHOW_ATTRIBUTE(ns);
static int ns_debugfs_create(struct nandsim *ns)
{
struct dentry *root = nsmtd->dbg.dfs_dir;
struct dentry *dent;
/*
* Just skip debugfs initialization when the debugfs directory is
@ -508,9 +510,9 @@ static int ns_debugfs_create(struct nandsim *ns)
return 0;
}
dent = debugfs_create_file("nandsim_wear_report", 0400, root, ns,
&ns_fops);
if (IS_ERR_OR_NULL(dent)) {
ns->dent = debugfs_create_file("nandsim_wear_report", 0400, root, ns,
&ns_fops);
if (IS_ERR_OR_NULL(ns->dent)) {
NS_ERR("cannot create \"nandsim_wear_report\" debugfs entry\n");
return -1;
}