On 11/16/2016 08:52 AM, Sudip Mukherjee wrote: > On Tuesday 15 November 2016 11:42 PM, Marek Vasut wrote: >> On 11/16/2016 12:09 AM, Sudip Mukherjee wrote: >>> 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.mukher...@codethink.co.uk> >>> --- >>> drivers/mtd/nand/nandsim.c | 9 +++------ >>> 1 file changed, 3 insertions(+), 6 deletions(-) >>> >>> diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c >>> index c76287a..9b0d79a 100644 >>> --- a/drivers/mtd/nand/nandsim.c >>> +++ b/drivers/mtd/nand/nandsim.c >>> @@ -525,15 +525,13 @@ static int nandsim_debugfs_create(struct >>> nandsim *dev) >>> { >>> struct nandsim_debug_info *dbg = &dev->dbg; >>> struct dentry *dent; >>> - int err; >>> + int err = -ENODEV; >> >> Why don't you just nuke the err altogether and just return -ENODEV ? > > That was the first version which i made and discarded before sending. I > will go and find it now.
Why did you discard it ? -- Best regards, Marek Vasut