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i2c: Fix error value returned by several bus drivers

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When adding checks for ACPI resource conflicts to many bus drivers,
not enough attention was paid to the error paths, and for several
drivers this causes 0 to be returned on error in some cases. Fix this
by properly returning a non-zero value on every error.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: stable@kernel.org
This commit is contained in:
Jean Delvare
2012-01-12 20:32:03 +01:00
committed by Jean Delvare
parent a429638cac
commit 7c1f59c9d5
5 changed files with 20 additions and 10 deletions
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4
drivers/i2c/busses/i2c-sis5595.c
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@@ -147,7 +147,7 @@ static int __devinit sis5595_setup(struct pci_dev *SIS5595_dev)
u16 a;
u8 val;
int *i;
int retval = -ENODEV;
int retval;
/* Look for imposters */
for (i = blacklist; *i != 0; i++) {
@@ -223,7 +223,7 @@ static int __devinit sis5595_setup(struct pci_dev *SIS5595_dev)
error:
release_region(sis5595_base + SMB_INDEX, 2);
return retval;
return -ENODEV;
}
static int sis5595_transaction(struct i2c_adapter *adap)