Message ID | 20180709014953.26230-1-richard.henderson@linaro.org |
---|---|
State | Superseded |
Headers | show |
Series | tests/tcg/multiarch/linux-test: Fix error check for shmat | expand |
Ping. On 7/8/18 6:49 PM, Richard Henderson wrote: > The error indicator for this syscall is -1, not 0. > > Signed-off-by: Richard Henderson <richard.henderson@linaro.org> > --- > tests/tcg/multiarch/linux-test.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/tests/tcg/multiarch/linux-test.c b/tests/tcg/multiarch/linux-test.c > index e80eccc0ce..6d2c02c5c0 100644 > --- a/tests/tcg/multiarch/linux-test.c > +++ b/tests/tcg/multiarch/linux-test.c > @@ -503,8 +503,9 @@ static void test_shm(void) > > shmid = chk_error(shmget(IPC_PRIVATE, SHM_SIZE, IPC_CREAT | 0777)); > ptr = shmat(shmid, NULL, 0); > - if (!ptr) > + if (ptr == (void *)-1) { > error("shmat"); > + } > > memset(ptr, 0, SHM_SIZE); > >
On Sun, Jul 08, 2018 at 18:49:53 -0700, Richard Henderson wrote: > The error indicator for this syscall is -1, not 0. > > Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Emilio G. Cota <cota@braap.org> E.
diff --git a/tests/tcg/multiarch/linux-test.c b/tests/tcg/multiarch/linux-test.c index e80eccc0ce..6d2c02c5c0 100644 --- a/tests/tcg/multiarch/linux-test.c +++ b/tests/tcg/multiarch/linux-test.c @@ -503,8 +503,9 @@ static void test_shm(void) shmid = chk_error(shmget(IPC_PRIVATE, SHM_SIZE, IPC_CREAT | 0777)); ptr = shmat(shmid, NULL, 0); - if (!ptr) + if (ptr == (void *)-1) { error("shmat"); + } memset(ptr, 0, SHM_SIZE);
The error indicator for this syscall is -1, not 0. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> --- tests/tcg/multiarch/linux-test.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) -- 2.17.1