From: Richard Henderson <richard.henderson@linaro.org>
To: Warner Losh <imp@bsdimp.com>, qemu-devel@nongnu.org
Cc: kevans@freebsd.org, f4bug@amsat.org,
"Mikaël Urankar" <mikael.urankar@gmail.com>
Subject: Re: [PATCH v2 2/9] bsd-user/mmap.c: check pread's return value to fix warnings with _FORTIFY_SOURCE
Date: Thu, 23 Sep 2021 10:36:53 -0700 [thread overview]
Message-ID: <261b4ee5-07d0-ac11-21a6-a5e1c4865fe1@linaro.org> (raw)
In-Reply-To: <20210922045636.25206-3-imp@bsdimp.com>
On 9/21/21 9:56 PM, Warner Losh wrote:
> From: Mikaël Urankar <mikael.urankar@gmail.com>
>
> Simmilar to the equivalent linux-user: commit fb7e378cf9c, which added
> checking to pread's return value.
>
> Signed-off-by: Mikaël Urankar <mikael.urankar@gmail.com>
> Signed-off-by: Warner Losh <imp@bsdimp.com>
> ---
> bsd-user/mmap.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
> - pread(fd, g2h_untagged(start), end - start, offset);
> + if (pread(fd, g2h_untagged(start), end - start, offset) == -1)
> + return -1;
If it's not too annoying wrt rebasing other cleanups, please add the braces now.
r~
next prev parent reply other threads:[~2021-09-24 12:03 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-22 4:56 [PATCH v2 0/9] bsd-user mmap fixes Warner Losh
2021-09-22 4:56 ` [PATCH v2 1/9] bsd-user/mmap.c: Always zero MAP_ANONYMOUS memory in mmap_frag() Warner Losh
2021-09-23 17:35 ` Richard Henderson
2021-09-22 4:56 ` [PATCH v2 2/9] bsd-user/mmap.c: check pread's return value to fix warnings with _FORTIFY_SOURCE Warner Losh
2021-09-23 17:36 ` Richard Henderson [this message]
2021-09-24 15:07 ` Warner Losh
2021-09-25 10:54 ` Philippe Mathieu-Daudé
2021-09-22 4:56 ` [PATCH v2 3/9] bsd-user/mmap.c: MAP_ symbols are defined, so no need for ifdefs Warner Losh
2021-09-23 17:37 ` Richard Henderson
2021-09-22 4:56 ` [PATCH v2 4/9] bsd-user/mmap.c: mmap return ENOMEM on overflow Warner Losh
2021-09-23 17:38 ` Richard Henderson
2021-09-25 10:55 ` Philippe Mathieu-Daudé
2021-09-22 4:56 ` [PATCH v2 5/9] bsd-user/mmap.c: mmap prefer MAP_ANON for BSD Warner Losh
2021-09-23 17:38 ` Richard Henderson
2021-09-22 4:56 ` [PATCH v2 6/9] bsd-user/mmap.c: line wrap change Warner Losh
2021-09-23 17:41 ` Richard Henderson
2021-09-26 16:46 ` Warner Losh
2021-09-22 4:56 ` [PATCH v2 7/9] bsd-user/mmap.c: Don't mmap fd == -1 independently from MAP_ANON flag Warner Losh
2021-09-23 17:43 ` Richard Henderson
2021-09-26 17:08 ` Warner Losh
2021-09-26 19:07 ` Guy Yur
2021-09-27 0:17 ` Warner Losh
2021-09-22 4:56 ` [PATCH v2 8/9] bsd-user/mmap.c: Implement MAP_EXCL, required by jemalloc in head Warner Losh
2021-09-23 17:52 ` Richard Henderson
2021-09-26 18:38 ` Warner Losh
2021-09-22 4:56 ` [PATCH v2 9/9] bsd-user/mmap.c: assert that target_mprotect cannot fail Warner Losh
2021-09-23 17:53 ` Richard Henderson
2021-09-25 10:58 ` Philippe Mathieu-Daudé
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