Messages in this thread | | | From | David Laight <> | Subject | RE: [PATCH v2] cxl: Make loop variable be 'i' instead of 'j' | Date | Mon, 1 Mar 2021 16:55:09 +0000 |
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From: Konrad Rzeszutek Wilk > Sent: 26 February 2021 21:17 > > .. otherwise people spend extra cycles looking for the > inner loop and wondering 'why j'? > > This was an oversight when initial work was rebased > so let's fix it here. > > Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> > --- > v1: Initial posting > v2: Fix per Dan's request > --- > drivers/cxl/mem.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/drivers/cxl/mem.c b/drivers/cxl/mem.c > index 244cb7d89678..d43197a193ce 100644 > --- a/drivers/cxl/mem.c > +++ b/drivers/cxl/mem.c > @@ -698,7 +698,6 @@ static int cxl_query_cmd(struct cxl_memdev *cxlmd, > struct device *dev = &cxlmd->dev; > struct cxl_mem_command *cmd; > u32 n_commands; > - int j = 0; > > dev_dbg(dev, "Query IOCTL\n"); > > @@ -715,11 +714,12 @@ static int cxl_query_cmd(struct cxl_memdev *cxlmd, > */ > cxl_for_each_cmd(cmd) { > const struct cxl_command_info *info = &cmd->info; > + int i = 0; > > - if (copy_to_user(&q->commands[j++], info, sizeof(*info))) > + if (copy_to_user(&q->commands[i++], info, sizeof(*info))) > return -EFAULT; > > - if (j == n_commands) > + if (i == n_commands) > break;
Did you test this? Looks badly broken to me.
David
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