diff options
| author | Vladimir Kondratiev <vladimir.kondratiev@mobileye.com> | 2026-01-18 11:28:43 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@kernel.org> | 2026-01-18 16:39:18 +0300 |
| commit | a384f2ed886d4417d50fdad78aaf1ccf870d62e6 (patch) | |
| tree | df006eaa28bcc32d7f2e850fa2fa44e3651577e4 | |
| parent | a34d398c83a4a4bc00513c00f6eecc34267f834f (diff) | |
| download | linux-a384f2ed886d4417d50fdad78aaf1ccf870d62e6.tar.xz | |
irqchip/aslint-sswi: Fix error check of of_io_request_and_map() result
of_io_request_and_map() returns IOMEM_ERR_PTR() on failure which is
non-NULL.
Fixes: 8a7f030df897 ("irqchip/aslint-sswi: Request IO memory resource")
Reported-by: Chris Mason <clm@meta.com>
Signed-off-by: Vladimir Kondratiev <vladimir.kondratiev@mobileye.com>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Link: https://patch.msgid.link/20260118082843.2786630-1-vladimir.kondratiev@mobileye.com
Closes: https://lore.kernel.org/all/20260116124257.78357-1-clm@meta.com
| -rw-r--r-- | drivers/irqchip/irq-aclint-sswi.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/irqchip/irq-aclint-sswi.c b/drivers/irqchip/irq-aclint-sswi.c index 325501f34a9b..ca06efd86fa1 100644 --- a/drivers/irqchip/irq-aclint-sswi.c +++ b/drivers/irqchip/irq-aclint-sswi.c @@ -110,8 +110,10 @@ static int __init aclint_sswi_probe(struct fwnode_handle *fwnode) return -EINVAL; reg = of_io_request_and_map(to_of_node(fwnode), 0, NULL); - if (!reg) - return -ENOMEM; + if (IS_ERR(reg)) { + pr_err("%pfwP: Failed to map MMIO region\n", fwnode); + return PTR_ERR(reg); + } /* Parse SSWI setting */ rc = aclint_sswi_parse_irq(fwnode, reg); |