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efiemu: check return value of grub_efiemu_write_value 

Found by: Coverity scan.
CID: 73590
This commit is contained in:
Andrei Borzenkov 2016-01-09 11:05:33 +03:00
parent 12bf87466f
commit 67d9ce82ac
1 changed files with 10 additions and 4 deletions
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14
grub-core/efiemu/prepare.c
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@ -83,10 +83,16 @@ SUFFIX (grub_efiemu_prepare) (struct grub_efiemu_prepare_hook *prepare_hooks,
((grub_uint8_t *) grub_efiemu_mm_obtain_request (handle) + off);
/* Put pointer to the list of configuration tables in system table */
grub_efiemu_write_value
(&(SUFFIX (grub_efiemu_system_table)->configuration_table), 0,
conftable_handle, 0, 1,
sizeof (SUFFIX (grub_efiemu_system_table)->configuration_table));
err = grub_efiemu_write_value
(&(SUFFIX (grub_efiemu_system_table)->configuration_table), 0,
conftable_handle, 0, 1,
sizeof (SUFFIX (grub_efiemu_system_table)->configuration_table));
if (err)
{
grub_efiemu_unload ();
return err;
}
SUFFIX(grub_efiemu_system_table)->num_table_entries = cntconftables;
/* Fill the list of configuration tables */