memalign() returns a pointer which is to be freed by free(). To call unmap_sysmem() is incorrect, furthermore it was called in a wrong scope.

Also add a check for allocation error.

Fixes: d7af2baa49c6 ("crypto/fsl: Fix HW accelerated hash commands") Cc: Breno Lima breno.lima@nxp.com Signed-off-by: Sergei Antonov saproj@gmail.com --- common/hash.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/common/hash.c b/common/hash.c index 9a52d6073ceb..cbffdfd6db36 100644 --- a/common/hash.c +++ b/common/hash.c @@ -586,6 +586,8 @@ int hash_command(const char *algo_name, int flags, struct cmd_tbl *cmdtp,

output = memalign(ARCH_DMA_MINALIGN, sizeof(uint32_t) * HASH_MAX_DIGEST_SIZE); + if (!output) + return CMD_RET_FAILURE;

buf = map_sysmem(addr, len); algo->hash_func_ws(buf, len, output, algo->chunk_size); @@ -602,6 +604,7 @@ int hash_command(const char *algo_name, int flags, struct cmd_tbl *cmdtp, flags & HASH_FLAG_ENV)) { printf("ERROR: %s does not contain a valid " "%s sum\n", *argv, algo->name); + free(output); return 1; } if (memcmp(output, vsum, algo->digest_size) != 0) { @@ -612,6 +615,7 @@ int hash_command(const char *algo_name, int flags, struct cmd_tbl *cmdtp, for (i = 0; i < algo->digest_size; i++) printf("%02x", vsum[i]); puts(" ** ERROR **\n"); + free(output); return 1; } } else { @@ -622,10 +626,10 @@ int hash_command(const char *algo_name, int flags, struct cmd_tbl *cmdtp, store_result(algo, output, *argv, flags & HASH_FLAG_ENV); } - unmap_sysmem(output); - }

+ free(output); + /* Horrible code size hack for boards that just want crc32 */ } else { ulong crc;