On 28/08/2017 22:49, Seth Howell wrote:
If mmap fails, it will return the value MAP_FAILED. Checking for this return code allows us to properly identify mmap failures and report them as such to the calling function.Signed-off-by: Seth Howell <seth.how...@intel.com> --- lib/librte_eal/linuxapp/eal/eal_memory.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/lib/librte_eal/linuxapp/eal/eal_memory.c b/lib/librte_eal/linuxapp/eal/eal_memory.c index 5279128..63fec29 100644 --- a/lib/librte_eal/linuxapp/eal/eal_memory.c +++ b/lib/librte_eal/linuxapp/eal/eal_memory.c @@ -716,6 +716,8 @@ create_shared_memory(const char *filename, const size_t mem_size) } retval = mmap(NULL, mem_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); close(fd); + if (retval == MAP_FAILED) + return NULL; return retval; }
Acked-by: Sergio Gonzalez Monroy <sergio.gonzalez.mon...@intel.com>
