[PATCH v2 07/11] platform/x86:intel/pmc: Check return value of ioremap

Xi Pardee
2024-08-28T22:29:41Z

Check the return value of ioremap operation and return ENOMEM when
the operation fails for better error handling.

Signed-off-by: Xi Pardee <xi.pardee@linux.intel.com>
---
drivers/platform/x86/intel/pmc/ssram_telemetry.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/platform/x86/intel/pmc/ssram_telemetry.c b/drivers/platform/x86/intel/pmc/ssram_telemetry.c
index 73c727042ca6..f625d39d1aa3 100644
--- a/drivers/platform/x86/intel/pmc/ssram_telemetry.c
+++ b/drivers/platform/x86/intel/pmc/ssram_telemetry.c
@@ -84,6 +84,9 @@ pmc_core_ssram_get_pmc(struct pmc_dev *pmcdev, unsigned int pmc_idx, u32 offset)
ssram_base = ssram_pcidev->resource[0].start;
tmp_ssram = ioremap(ssram_base, SSRAM_HDR_SIZE);

+ if (!tmp_ssram)
+ return -ENOMEM;
+
if (pmc_idx != PMC_IDX_MAIN) {
/*
* The secondary PMC BARS (which are behind hidden PCI devices)
--
2.43.0