Thanks for your response.
> Not having access to that specific version of LwIP
The line is actually part of the latest stable version (2.0.2). It just
moved a few lines up:
https://git.savannah.gnu.org/cgit/lwip.git/tree/src/core/ipv4/ip4_frag.c?h=S
TABLE-2_0_2_RELEASE_VER#n322
> The only
Patrick Klos wrote:
(I think if LWIP_ASSERT was enabled, the code generated by the macro
expansion would be enough to stop the warning, at least for 'prev'?)
Exactly. And honestly, I'm not sure if it makes sense to enable
"-Wnull-dereference" with asserts disabled. You enable half of the
On 4/26/2017 3:31 AM, Andreas Dinter wrote:
Potential NULL pointer access in ip4_frag.c
Hi,
When compiling ip4_frag.c with GCC option -Wnull-dereference, it
complains with the following warning.
../../../lwIp/src/core/ipv4/ip4_frag.c:327:16: warning: potential null
pointer dereference
Andreas Dinter wrote:
> ../../../lwIp/src/core/ipv4/ip4_frag.c:327:16: warning: potential null
> pointer dereference [-Wnull-dereference]
> This refers to this line: prev->next = ipr->next;
As far as I can tell, that line does not match any released versions of lwIP.
> In function:
Hi,
When compiling ip4_frag.c with GCC option -Wnull-dereference, it complains
with the following warning.
../../../lwIp/src/core/ipv4/ip4_frag.c:327:16: warning: potential null
pointer dereference [-Wnull-dereference]
This refers to this line: prev->next = ipr->next;
In function:
