Messages in this thread | | | Subject | Re: [PATCH] Fix leak in drivers/target/iscsi/iscsi_target_parameters.c::iscsi_copy_param_list() | From | Joe Perches <> | Date | Sun, 31 Jul 2011 15:44:34 -0700 |
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On Mon, 2011-08-01 at 00:28 +0200, Jesper Juhl wrote: > We leak memory if the allocations for 'new_param->name' or 'new_param->value' fail. > We also do a lot of variable assignments that are completely pointless > if the allocations fail. > So, let's move the allocations before the assignments and also make > sure that we free whatever was allocated to one if the allocation for > another fails.
> diff --git a/drivers/target/iscsi/iscsi_target_parameters.c b/drivers/target/iscsi/iscsi_target_parameters.c [] > + new_param->name = kmalloc(strlen(param->name) + 1, GFP_KERNEL); > + new_param->value = kmalloc(strlen(param->value) + 1, GFP_KERNEL); [] > memcpy(new_param->name, param->name, strlen(param->name)); > new_param->name[strlen(param->name)] = '\0'; > memcpy(new_param->value, param->value, strlen(param->value));
kstrdup
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