diff options
| author | Hauke Mehrtens <hauke.mehrtens@lantiq.com> | 2015-10-29 01:37:44 +0300 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2015-11-11 10:37:34 +0300 |
| commit | 6e807852676a2ef6f104b56114d7a5096d42ff37 (patch) | |
| tree | 35bad44025a893bc208902fbe2975c530148cc17 /arch/mips/lantiq/xway/sysctrl.c | |
| parent | 13648d724549ec5bd986e88ec628c1b42ab0258e (diff) | |
| download | linux-6e807852676a2ef6f104b56114d7a5096d42ff37.tar.xz | |
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/xway/sysctrl.c')
| -rw-r--r-- | arch/mips/lantiq/xway/sysctrl.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/mips/lantiq/xway/sysctrl.c b/arch/mips/lantiq/xway/sysctrl.c index 60a7eb61c579..7b3a01456014 100644 --- a/arch/mips/lantiq/xway/sysctrl.c +++ b/arch/mips/lantiq/xway/sysctrl.c @@ -425,12 +425,12 @@ void __init ltq_soc_init(void) of_address_to_resource(np_ebu, 0, &res_ebu)) panic("Failed to get core resources"); - if ((request_mem_region(res_pmu.start, resource_size(&res_pmu), - res_pmu.name) < 0) || - (request_mem_region(res_cgu.start, resource_size(&res_cgu), - res_cgu.name) < 0) || - (request_mem_region(res_ebu.start, resource_size(&res_ebu), - res_ebu.name) < 0)) + if (!request_mem_region(res_pmu.start, resource_size(&res_pmu), + res_pmu.name) || + !request_mem_region(res_cgu.start, resource_size(&res_cgu), + res_cgu.name) || + !request_mem_region(res_ebu.start, resource_size(&res_ebu), + res_ebu.name)) pr_err("Failed to request core resources"); pmu_membase = ioremap_nocache(res_pmu.start, resource_size(&res_pmu)); |