Re: [PATCH -next] drivers: perf: Fix build error by adding const to ctl_table argument of handler

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On Thu, 07 Dec 2023 00:35:12 PST (-0800), alexghiti@xxxxxxxxxxxx wrote:
The ctl_table argument of the proc_handler field was constified treewide
but somehow missed the occurrence in the riscv pmu sbi driver, so add the
const to fix the build error.

Reported-by: kernel test robot <lkp@xxxxxxxxx>
Closes: https://lore.kernel.org/oe-kbuild-all/202312062242.RFPPozG9-lkp@xxxxxxxxx/
Fixes: c8be9e66ca1e ("sysctl: treewide: constify the ctl_table argument of handlers")
Signed-off-by: Alexandre Ghiti <alexghiti@xxxxxxxxxxxx>
---
 drivers/perf/riscv_pmu_sbi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/perf/riscv_pmu_sbi.c b/drivers/perf/riscv_pmu_sbi.c
index 16acd4dcdb96..97e345f7d25d 100644
--- a/drivers/perf/riscv_pmu_sbi.c
+++ b/drivers/perf/riscv_pmu_sbi.c
@@ -986,7 +986,7 @@ static void riscv_pmu_update_counter_access(void *info)
 		csr_write(CSR_SCOUNTEREN, 0x2);
 }

-static int riscv_pmu_proc_user_access_handler(struct ctl_table *table,
+static int riscv_pmu_proc_user_access_handler(const struct ctl_table *table,
 					      int write, void *buffer,
 					      size_t *lenp, loff_t *ppos)
 {

Reviewed-by: Palmer Dabbelt <palmer@xxxxxxxxxxxx>
Acked-by: Palmer Dabbelt <palmer@xxxxxxxxxxxx>




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