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warnings: fix broken -Wmaybe-uninitialized

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These variables cannot be used uninitialized, and newer gcc versions
correctly do not bring the warning up, but this will shut up older ones

Change-Id: I2b2ea9b557196a3e7eea1e04dd1f160bd12d6e54
This commit is contained in:
Dominique Martinet
2019-03-04 13:34:00 +09:00
committed by Dominique Martinet
parent ab39798181
commit 76a0cc71fc
3 changed files with 4 additions and 4 deletions
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2
arch/x86_64/kernel/memory.c
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@ -1621,7 +1621,7 @@ static int clear_range_l3(void *args0, pte_t *ptep, uint64_t base,
{
struct clear_range_args *args = args0;
int error;
uint64_t phys;
uint64_t phys = 0;
pte_t old;
struct page *page;
struct page_table *pt;

4
kernel/host.c
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@ -74,10 +74,10 @@ int prepare_process_ranges_args_envs(struct thread *thread,
char *envs, int envs_len)
{
char *args_envs, *args_envs_r;
unsigned long args_envs_p, args_envs_rp, envs_offset;
unsigned long args_envs_p, args_envs_rp = 0, envs_offset;
unsigned long s, e, up;
char **argv;
int i, n, argc, envc, args_envs_npages;
int i, n, argc, envc, args_envs_npages = 0;
char **env;
int range_npages;
void *up_v;

2
kernel/xpmem.c
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@ -1772,7 +1772,7 @@ int xpmem_fault_process_memory_range(
struct xpmem_attachment *att;
struct xpmem_segment *seg;
size_t pgsize;
struct mcs_rwlock_node_irqsave at_lock;
struct mcs_rwlock_node_irqsave at_lock = { 0 };
int att_locked = 0;
XPMEM_DEBUG("call: vmr=0x%p, vaddr=0x%lx, reason=0x%lx",