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EDAC/igen6: Fix error handling in igen6_edac driver

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The igen6_edac driver calls device_initialize() for all memory
controllers in igen6_register_mci(), but misses corresponding
put_device() calls in error paths and during normal shutdown in
igen6_unregister_mcis().

Adding the missing put_device() calls improves code readability and
ensures proper reference counting for the device structure.

Found by code review.

Signed-off-by: Ma Ke <make24@iscas.ac.cn>
Reviewed-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Link: https://patch.msgid.link/20251105090244.23327-1-make24@iscas.ac.cn
This commit is contained in:
Ma Ke
2025-11-05 17:02:44 +08:00
committed by Tony Luck
parent 5f40ea7f41
commit ef1b6d9049
1 changed files with 2 additions and 0 deletions
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2
drivers/edac/igen6_edac.c
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@@ -1300,6 +1300,7 @@ static int igen6_register_mci(int mc, void __iomem *window, struct pci_dev *pdev
imc->mci = mci;
return 0;
fail3:
put_device(&imc->dev);
mci->pvt_info = NULL;
kfree(mci->ctl_name);
fail2:
@@ -1326,6 +1327,7 @@ static void igen6_unregister_mcis(void)
kfree(mci->ctl_name);
mci->pvt_info = NULL;
edac_mc_free(mci);
put_device(&imc->dev);
iounmap(imc->window);
}
}