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| author | Alexandre Ghiti <[email protected]> | 2025-09-03 18:53:08 +0000 |
|---|---|---|
| committer | Paul Walmsley <[email protected]> | 2025-09-05 21:33:44 +0000 |
| commit | fef7ded169ed7e133612f90a032dc2af1ce19bef (patch) | |
| tree | 14e08a8abfa5b82db0696822f94e6111d627de43 | |
| parent | riscv: kexec: Initialize kexec_buf struct (diff) | |
| download | kernel-fef7ded169ed7e133612f90a032dc2af1ce19bef.tar.gz kernel-fef7ded169ed7e133612f90a032dc2af1ce19bef.zip | |
riscv: Fix sparse warning in __get_user_error()
We used to assign 0 to x without an appropriate cast which results in
sparse complaining when x is a pointer:
>> block/ioctl.c:72:39: sparse: sparse: Using plain integer as NULL pointer
So fix this by casting 0 to the correct type of x.
Reported-by: kernel test robot <[email protected]>
Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/
Fixes: f6bff7827a48 ("riscv: uaccess: use 'asm_goto_output' for get_user()")
Cc: [email protected]
Signed-off-by: Alexandre Ghiti <[email protected]>
Reviewed-by: Clément Léger <[email protected]>
Reviewed-by: Cyril Bur <[email protected]>
Link: https://lore.kernel.org/r/20250903-dev-alex-sparse_warnings_v1-v1-1-7e6350beb700@rivosinc.com
Signed-off-by: Paul Walmsley <[email protected]>
| -rw-r--r-- | arch/riscv/include/asm/uaccess.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/riscv/include/asm/uaccess.h b/arch/riscv/include/asm/uaccess.h index 22e3f52a763d..551e7490737e 100644 --- a/arch/riscv/include/asm/uaccess.h +++ b/arch/riscv/include/asm/uaccess.h @@ -209,7 +209,7 @@ do { \ err = 0; \ break; \ __gu_failed: \ - x = 0; \ + x = (__typeof__(x))0; \ err = -EFAULT; \ } while (0) |