Message ID | alpine.DEB.2.10.1602170724320.2685@hadrien (mailing list archive) |
---|---|
State | Under Review |
Headers | show |
On Wednesday 17 February 2016 07:29:05 Julia Lawall wrote: > PTR_ERR should access the value just tested by IS_ERR > > Generated by: scripts/coccinelle/tests/odd_ptr_err.cocci > > Signed-off-by: Fengguang Wu <fengguang.wu@intel.com> > Signed-off-by: Julia Lawall <julia.lawall@lip6.fr> > --- > > I haven't checked the context in detail. There can be false positives, > when it is the call to IS_ERR that is wrong. > > tree: https://github.com/Broadcom/arm64-linux iproc-tsc-v2 > head: ef32cf1baeb934bfcdf7c9eb8ad345aae266cde5 > commit: c3afc7a1c330ce452c52e2183a23b2ab9f70bd4a [2/3] input: syscon > support in bcm_iproc_tsc driver > > Please take the patch only if it's a positive warning. Thanks! > > Looks correct to me Reviewed-by: Arnd Bergmann <arnd@arndb.de> > if (IS_ERR(priv->regmap)) { > - error = PTR_ERR(priv->regs); > + error = PTR_ERR(priv->regmap); I think this could have been avoided using error = PTR_ERR_OR_ZERO(priv->regmap); if (error) { ... Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
--- a/drivers/input/touchscreen/bcm_iproc_tsc.c +++ b/drivers/input/touchscreen/bcm_iproc_tsc.c @@ -492,7 +492,7 @@ static int iproc_ts_probe(struct platfor pdev->dev.of_node, "ts_syscon"); if (IS_ERR(priv->regmap)) { - error = PTR_ERR(priv->regs); + error = PTR_ERR(priv->regmap); dev_err(&pdev->dev, "unable to map I/O memory:%d\n", error); return error;