diff options
| author | Hauke Mehrtens <hauke.mehrtens@lantiq.com> | 2015-10-28 23:37:44 +0100 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2015-11-11 08:37:34 +0100 |
| commit | 6e807852676a2ef6f104b56114d7a5096d42ff37 (patch) | |
| tree | 35bad44025a893bc208902fbe2975c530148cc17 /arch/mips/lantiq/irq.c | |
| parent | 13648d724549ec5bd986e88ec628c1b42ab0258e (diff) | |
| download | lwn-6e807852676a2ef6f104b56114d7a5096d42ff37.tar.gz lwn-6e807852676a2ef6f104b56114d7a5096d42ff37.zip | |
MIPS: Lantiq: Fix check for return value of request_mem_region()
request_mem_region() returns a pointer and not an integer with an error
value. A check for "< 0" on a pointer will cause problems, replace it
with not null checks instead. This was found with sparse.
Signed-off-by: Hauke Mehrtens <hauke.mehrtens@lantiq.com>
Acked-by: John Crispin <blogic@openwrt.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/11395/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/lantiq/irq.c')
| -rw-r--r-- | arch/mips/lantiq/irq.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/mips/lantiq/irq.c b/arch/mips/lantiq/irq.c index 2c218c3bbca5..2e7f60c9fc5d 100644 --- a/arch/mips/lantiq/irq.c +++ b/arch/mips/lantiq/irq.c @@ -369,8 +369,8 @@ int __init icu_of_init(struct device_node *node, struct device_node *parent) if (of_address_to_resource(node, i, &res)) panic("Failed to get icu memory range"); - if (request_mem_region(res.start, resource_size(&res), - res.name) < 0) + if (!request_mem_region(res.start, resource_size(&res), + res.name)) pr_err("Failed to request icu memory"); ltq_icu_membase[i] = ioremap_nocache(res.start, @@ -449,8 +449,8 @@ int __init icu_of_init(struct device_node *node, struct device_node *parent) if (ret != exin_avail) panic("failed to load external irq resources"); - if (request_mem_region(res.start, resource_size(&res), - res.name) < 0) + if (!request_mem_region(res.start, resource_size(&res), + res.name)) pr_err("Failed to request eiu memory"); ltq_eiu_membase = ioremap_nocache(res.start, |