On Mon, Aug 23, 2010 at 5:39 PM, Miloslav Trmac <mitr@xxxxxxxxxx> wrote: > ----- "Shirish Pargaonkar" <shirishpargaonkar@xxxxxxxxx> wrote: >> Instead of determining and allocating a char array for use during usage of >> crypto_shash_* calls, would like to instead dynamically >> allocate (and free) storage for the duration of crypto calculation >> (crypto_shash_init, >> crypto_shash_update, and crypto_shash_final) >> But everytime I try, it results in some sort of oops in the cifs module. > Let me just suggest something, without trying it... > >> +struct sdesc { >> + struct shash_desc shash; >> + char *ctx; > char ctx[]; > would be correct here. >> +}; > And you need to allocate both shash_desc and "ctx" together as a single piece of memory - exactly mirror the memory layout of the original "sdesc" variable. > Mirek > Mirek, Thanks, that worked. -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html