From: Corey Minyard <cminyard@mvista.com>
Date: Wed, 22 Apr 2015 18:25:40 +0000 (-0500)
Subject: ipmi: Report an error if ACPI _IFT doesn't exist
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=a182a4b2b3e85a559ea2cd3545f4311db41325f2;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

ipmi: Report an error if ACPI _IFT doesn't exist

When probing an ACPI table, report a specific error, instead of just
returning an error, if _IFT doesn't exist.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
---

diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 461274168d0f..b5a1b450471f 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -2262,8 +2262,10 @@ static int ipmi_pnp_probe(struct pnp_dev *dev,
 
 	/* _IFT tells us the interface type: KCS, BT, etc */
 	status = acpi_evaluate_integer(handle, "_IFT", NULL, &tmp);
-	if (ACPI_FAILURE(status))
+	if (ACPI_FAILURE(status)) {
+		dev_err(&dev->dev, "Could not find ACPI IPMI interface type\n");
 		goto err_free;
+	}
 
 	switch (tmp) {
 	case 1: