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exec: fix error handling in file_ram_alloc 

One instance of double closing, and invalid close(-1) in some cases
of "goto error".

Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2016-03-17 15:53:13 +01:00
parent 8526e1f4e4
commit 5c3ece79cd
1 changed files with 4 additions and 3 deletions
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7
exec.c
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@ -1239,7 +1239,7 @@ static void *file_ram_alloc(RAMBlock *block,
char *sanitized_name;
char *c;
void *area;
int fd;
int fd = -1;
int64_t page_size;
if (kvm_enabled() && !kvm_has_sync_mmu()) {
@ -1321,7 +1321,6 @@ static void *file_ram_alloc(RAMBlock *block,
if (area == MAP_FAILED) {
error_setg_errno(errp, errno,
"unable to map backing store for guest RAM");
close(fd);
goto error;
}
@ -1336,7 +1335,9 @@ error:
if (unlink_on_error) {
unlink(path);
}
close(fd);
if (fd != -1) {
close(fd);
}
return NULL;
}
#endif