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spapr: Add missing checks for NULL pointers and report failures 

This fixes potential runtime crashes and two warnings from Coverity.

The new error message does not add  a prefix "qemu:" because that is
already done in function hw_error. It also starts with an uppercase
letter because that seems to be the mostly used form.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
[agraf: fix typo]
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Stefan Weil 2015-03-14 16:29:09 +01:00 committed by Alexander Graf
parent 0d2f830255
commit 4c56440d67
1 changed files with 8 additions and 0 deletions
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8
hw/ppc/spapr.c
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@ -1506,6 +1506,10 @@ static void ppc_spapr_init(MachineState *machine)
}
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "spapr-rtas.bin");
if (!filename) {
hw_error("Could not find LPAR rtas '%s'\n", "spapr-rtas.bin");
exit(1);
}
spapr->rtas_size = get_image_size(filename);
spapr->rtas_blob = g_malloc(spapr->rtas_size);
if (load_image_size(filename, spapr->rtas_blob, spapr->rtas_size) < 0) {
@ -1623,6 +1627,10 @@ static void ppc_spapr_init(MachineState *machine)
bios_name = FW_FILE_NAME;
}
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
if (!filename) {
hw_error("Could not find LPAR rtas '%s'\n", bios_name);
exit(1);
}
fw_size = load_image_targphys(filename, 0, FW_MAX_SIZE);
if (fw_size < 0) {
hw_error("qemu: could not load LPAR rtas '%s'\n", filename);