On Fri, Sep 12, 2014 at 01:24:08PM +0530, Suman Tripathi wrote: > This patch fixes the error print invalid resource for the APM X-Gene > SoC AHCI SATA Host Controller driver. This print was due to the fact > that the controller 3 don't have a mux resource. This didn't result > in any errors but the print seems like meaningless. > > Signed-off-by: Loc Ho <lho@xxxxxxx> > Signed-off-by: Suman Tripathi <stripathi@xxxxxxx> > --- > drivers/ata/ahci_xgene.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/ata/ahci_xgene.c b/drivers/ata/ahci_xgene.c > index 40d0a76..9404db0c 100644 > --- a/drivers/ata/ahci_xgene.c > +++ b/drivers/ata/ahci_xgene.c > @@ -434,7 +434,7 @@ static int xgene_ahci_mux_select(struct xgene_ahci_context *ctx) > u32 val; > > /* Check for optional MUX resource */ > - if (IS_ERR(ctx->csr_mux)) > + if (!ctx->csr_mux) > return 0; Hmmm? So, if devm_ioremap_resource() call actually fails, now the function tries to operation on ERR_PTR() value as a real pointer? Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
