riscv: uaccess: fix type of 0 variable on error in get_user()

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commit b9b916aee6 upstream.

If the get_user(x, ptr) has x as a pointer, then the setting
of (x) = 0 is going to produce the following sparse warning,
so fix this by forcing the type of 'x' when access_ok() fails.

fs/aio.c:2073:21: warning: Using plain integer as NULL pointer

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Reviewed-by: Palmer Dabbelt <palmer@rivosinc.com>
Link: https://lore.kernel.org/r/20221229170545.718264-1-ben-linux@fluff.org
Cc: stable@vger.kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Ben Dooks 2022-12-29 17:05:45 +00:00 • committed by Greg Kroah-Hartman

parent 7f56c4fa29

commit 36fd385ae2

1 changed files with 1 additions and 1 deletions

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arch/riscv/include/asm/uaccess.h

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