If an error occurs after a successful ida_alloc() call, it should be undone by a corresponding ida_free(), as already done in the remove function. Add the missing call in the error handling path of cb710_probe(). Fixes: 5f5bac8272be ("mmc: Driver for CB710/720 memory card reader (MMC part)") Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> --- drivers/misc/cb710/core.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/misc/cb710/core.c b/drivers/misc/cb710/core.c index 55b7ee0e8f93..394fc2488029 100644 --- a/drivers/misc/cb710/core.c +++ b/drivers/misc/cb710/core.c @@ -250,7 +250,7 @@ static int cb710_probe(struct pci_dev *pdev, err = cb710_register_slot(chip, CB710_SLOT_MMC, 0x00, "cb710-mmc"); if (err) - return err; + goto free_platform_id; } if (val & CB710_SLOT_MS) { /* MemoryStick slot */ @@ -276,6 +276,10 @@ static int cb710_probe(struct pci_dev *pdev, #ifdef CONFIG_CB710_DEBUG_ASSUMPTIONS BUG_ON(atomic_read(&chip->slot_refs_count) != 0); #endif + +free_platform_id: + ida_free(&cb710_ida, chip->platform_id); + return err; } -- 2.48.1