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| author | Sudip Mukherjee <sudipm.mukherjee@gmail.com> | 2016-11-16 08:02:55 +0000 |
|---|---|---|
| committer | Boris Brezillon <boris.brezillon@free-electrons.com> | 2016-11-19 09:43:15 +0100 |
| commit | 442168273ecf57cf4494e492a59f29991089ff42 (patch) | |
| tree | 71bb3472f109f2baa7cb230d9865f62c6b4d400d /drivers/mtd | |
| parent | 37871abdd5ea73bde645c8f3d2e9fc04b5ffaf6b (diff) | |
| download | linux-442168273ecf57cf4494e492a59f29991089ff42.tar.bz2 | |
mtd: nand: nandsim: fix error check
debugfs_create_dir() and debugfs_create_file() returns NULL on error or
a pointer on success. They do not return the error value with ERR_PTR.
So we should not check the return with IS_ERR_OR_NULL, instead we
should just check for NULL.
Signed-off-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/nand/nandsim.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c index c76287a69663..c84742671a5f 100644 --- a/drivers/mtd/nand/nandsim.c +++ b/drivers/mtd/nand/nandsim.c @@ -525,24 +525,20 @@ static int nandsim_debugfs_create(struct nandsim *dev) { struct nandsim_debug_info *dbg = &dev->dbg; struct dentry *dent; - int err; if (!IS_ENABLED(CONFIG_DEBUG_FS)) return 0; dent = debugfs_create_dir("nandsim", NULL); - if (IS_ERR_OR_NULL(dent)) { - int err = dent ? -ENODEV : PTR_ERR(dent); - - NS_ERR("cannot create \"nandsim\" debugfs directory, err %d\n", - err); - return err; + if (!dent) { + NS_ERR("cannot create \"nandsim\" debugfs directory\n"); + return -ENODEV; } dbg->dfs_root = dent; dent = debugfs_create_file("wear_report", S_IRUSR, dbg->dfs_root, dev, &dfs_fops); - if (IS_ERR_OR_NULL(dent)) + if (!dent) goto out_remove; dbg->dfs_wear_report = dent; @@ -550,8 +546,7 @@ static int nandsim_debugfs_create(struct nandsim *dev) out_remove: debugfs_remove_recursive(dbg->dfs_root); - err = dent ? PTR_ERR(dent) : -ENODEV; - return err; + return -ENODEV; } /** |