From 97f3ad35517e0d02c0149637d1bb10713c52b057 Mon Sep 17 00:00:00 2001 From: Markus Armbruster Date: Mon, 14 Sep 2015 13:51:31 +0200 Subject: migration: Use g_new() & friends where that makes obvious sense g_new(T, n) is neater than g_malloc(sizeof(T) * n). It's also safer, for two reasons. One, it catches multiplication overflowing size_t. Two, it returns T * rather than void *, which lets the compiler catch more type errors. This commit only touches allocations with size arguments of the form sizeof(T). Same Coccinelle semantic patch as in commit b45c03f. Signed-off-by: Markus Armbruster Message-Id: <1442231491-23352-1-git-send-email-armbru@redhat.com> Reviewed-by: Eric Blake Reviewed-by: zhanghailiang Reviewed-by: Amit Shah Signed-off-by: Amit Shah --- migration/rdma.c | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) (limited to 'migration/rdma.c') diff --git a/migration/rdma.c b/migration/rdma.c index be7fd922b8..7a7176f7c9 100644 --- a/migration/rdma.c +++ b/migration/rdma.c @@ -541,7 +541,7 @@ static int rdma_add_block(RDMAContext *rdma, const char *block_name, RDMALocalBlock *block; RDMALocalBlock *old = local->block; - local->block = g_malloc0(sizeof(RDMALocalBlock) * (local->nb_blocks + 1)); + local->block = g_new0(RDMALocalBlock, local->nb_blocks + 1); if (local->nb_blocks) { int x; @@ -572,7 +572,7 @@ static int rdma_add_block(RDMAContext *rdma, const char *block_name, bitmap_clear(block->transit_bitmap, 0, block->nb_chunks); block->unregister_bitmap = bitmap_new(block->nb_chunks); bitmap_clear(block->unregister_bitmap, 0, block->nb_chunks); - block->remote_keys = g_malloc0(block->nb_chunks * sizeof(uint32_t)); + block->remote_keys = g_new0(uint32_t, block->nb_chunks); block->is_ram_block = local->init ? false : true; @@ -617,8 +617,8 @@ static int qemu_rdma_init_ram_blocks(RDMAContext *rdma) memset(local, 0, sizeof *local); qemu_ram_foreach_block(qemu_rdma_init_one_block, rdma); trace_qemu_rdma_init_ram_blocks(local->nb_blocks); - rdma->dest_blocks = (RDMADestBlock *) g_malloc0(sizeof(RDMADestBlock) * - rdma->local_ram_blocks.nb_blocks); + rdma->dest_blocks = g_new0(RDMADestBlock, + rdma->local_ram_blocks.nb_blocks); local->init = true; return 0; } @@ -677,8 +677,7 @@ static int rdma_delete_block(RDMAContext *rdma, RDMALocalBlock *block) if (local->nb_blocks > 1) { - local->block = g_malloc0(sizeof(RDMALocalBlock) * - (local->nb_blocks - 1)); + local->block = g_new0(RDMALocalBlock, local->nb_blocks - 1); if (block->index) { memcpy(local->block, old, sizeof(RDMALocalBlock) * block->index); @@ -1164,7 +1163,7 @@ static int qemu_rdma_register_and_get_keys(RDMAContext *rdma, /* allocate memory to store chunk MRs */ if (!block->pmr) { - block->pmr = g_malloc0(block->nb_chunks * sizeof(struct ibv_mr *)); + block->pmr = g_new0(struct ibv_mr *, block->nb_chunks); } /* @@ -2494,7 +2493,7 @@ static void *qemu_rdma_data_init(const char *host_port, Error **errp) InetSocketAddress *addr; if (host_port) { - rdma = g_malloc0(sizeof(RDMAContext)); + rdma = g_new0(RDMAContext, 1); rdma->current_index = -1; rdma->current_chunk = -1; @@ -3400,7 +3399,7 @@ static void *qemu_fopen_rdma(RDMAContext *rdma, const char *mode) return NULL; } - r = g_malloc0(sizeof(QEMUFileRDMA)); + r = g_new0(QEMUFileRDMA, 1); r->rdma = rdma; if (mode[0] == 'w') { -- cgit v1.2.1