drivers: fmc-eeprom: Reset the pointer on error.

On error, set the slot->nvmem to NULL. This keeps the data structure in line with the real status (the nvmem device was not found). Reported by: Federico Vaga <federico.vaga@cern.ch> Signed-off-by: Vaibhav Gupta <vaibhav.gupta@cern.ch>

drivers: fmc-eeprom: Reset the pointer on error.
On error, set the slot->nvmem to NULL. This keeps the data structure in line with the real status (the nvmem device was not found). Reported by: Federico Vaga <federico.vaga@cern.ch> Signed-off-by: Vaibhav Gupta <vaibhav.gupta@cern.ch>
b093b55f · Federico Vaga · Vaibhav Gupta · 69033a9d · b093b55f
Commit b093b55f authored Nov 04, 2022 by Federico Vaga Committed by Vaibhav Gupta Nov 07, 2022
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fmc-eeprom.c drivers/fmc/fmc-eeprom.c +5 -2

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--- a/drivers/fmc/fmc-eeprom.c
+++ b/drivers/fmc/fmc-eeprom.c
@@ -189,8 +189,11 @@ static int __fmc_slot_eeprom_add(struct fmc_slot *slot,
 		"%s", dev_name(&slot->eeprom->dev));
 	slot->nvmem = nvmem_device_find(nvmem_parent_name,
 					fmc_nvmem_device_find_match);
-	if (IS_ERR_OR_NULL(slot->nvmem))
+	if (IS_ERR_OR_NULL(slot->nvmem)) {
-		return PTR_ERR(slot->nvmem);
+		int err = PTR_ERR(slot->nvmem)
+		slot->nvmem = NULL;
+		return err;
+	}
 	kfree(nvmem_parent_name);
 #endif