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virt: acrn: Replace obsolete memalign() with posix_memalign()

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memalign() is obsolete according to its manpage.

Replace memalign() with posix_memalign() and remove malloc.h include
that was there for memalign().

As a pointer is passed into posix_memalign(), initialize *p to NULL
to silence a warning about the function's return value being used as
uninitialized (which is not valid anyway because the error is properly
checked before p is returned).

Signed-off-by: Deming Wang <wangdeming@inspur.com>
Link: https://lore.kernel.org/r/20230412073041.2168-1-wangdeming@inspur.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Deming Wang 2023-04-12 03:30:41 -04:00 • committed by Greg Kroah-Hartman
parent b56eef3e16
commit 32118bdc94
1 changed files with 2 additions and 3 deletions
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5
samples/acrn/vm-sample.c
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@ -13,7 +13,6 @@
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <malloc.h>
#include <fcntl.h>
#include <unistd.h>
#include <signal.h>
@ -54,8 +53,8 @@ int main(int argc, char **argv)
argc = argc;
argv = argv;
guest_memory = memalign(4096, GUEST_MEMORY_SIZE);
if (!guest_memory) {
ret = posix_memalign(&guest_memory, 4096, GUEST_MEMORY_SIZE);
if (ret < 0) {
printf("No enough memory!\n");
return -1;
}