In 'brcmf_chip_recognition()', always check the value returned by
'brcmf_chip_add_core()' with 'IS_ERR()' and return convenient
'PTR_ERR()' in case of error.
Fixes: cb7cf7be9eba ("brcmfmac: make chip related functions host interface independent")
Signed-off-by: Dmitry Antipov <dmantipov@xxxxxxxxx>
---
.../net/wireless/broadcom/brcm80211/brcmfmac/chip.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c
index 2ef92ef25517..6a1b593eeff6 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c
@@ -1006,18 +1006,28 @@ static int brcmf_chip_recognition(struct brcmf_chip_priv *ci)
core = brcmf_chip_add_core(ci, BCMA_CORE_CHIPCOMMON,
SI_ENUM_BASE_DEFAULT, 0);
+ if (IS_ERR(core))
+ return PTR_ERR(core);
brcmf_chip_sb_corerev(ci, core);
core = brcmf_chip_add_core(ci, BCMA_CORE_SDIO_DEV,
BCM4329_CORE_BUS_BASE, 0);
+ if (IS_ERR(core))
+ return PTR_ERR(core);
brcmf_chip_sb_corerev(ci, core);
core = brcmf_chip_add_core(ci, BCMA_CORE_INTERNAL_MEM,
BCM4329_CORE_SOCRAM_BASE, 0);
+ if (IS_ERR(core))
+ return PTR_ERR(core);
brcmf_chip_sb_corerev(ci, core);
core = brcmf_chip_add_core(ci, BCMA_CORE_ARM_CM3,
BCM4329_CORE_ARM_BASE, 0);
+ if (IS_ERR(core))
+ return PTR_ERR(core);
brcmf_chip_sb_corerev(ci, core);
core = brcmf_chip_add_core(ci, BCMA_CORE_80211, 0x18001000, 0);
+ if (IS_ERR(core))
+ return PTR_ERR(core);
brcmf_chip_sb_corerev(ci, core);
} else if (socitype == SOCI_AI) {
ci->iscoreup = brcmf_chip_ai_iscoreup;
--
2.41.0
