diff options
| author | Rob Austein <sra@hactrn.net> | 2015-10-04 23:23:07 -0400 |
|---|---|---|
| committer | Rob Austein <sra@hactrn.net> | 2015-10-04 23:23:07 -0400 |
| commit | ff4ff7c8ccf0c5d5c1c363053f0fc84ec5674edf (patch) | |
| tree | a056a1f82fca48e6e38d58180e82fe1ad71fb29c /hal_io_eim.c | |
| parent | c48caf83239f971edf17c978ef7d0987e3aaa718 (diff) | |
Disallow NULL core argument in lowest-level HAL I/O routines.
Diffstat (limited to 'hal_io_eim.c')
| -rw-r--r-- | hal_io_eim.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/hal_io_eim.c b/hal_io_eim.c index 4f9df65..7d2e32a 100644 --- a/hal_io_eim.c +++ b/hal_io_eim.c @@ -98,6 +98,9 @@ hal_error_t hal_io_write(const hal_core_t *core, hal_addr_t offset, const uint8_ { hal_error_t err; + if (core == NULL) + return HAL_ERROR_CORE_NOT_FOUND; + if (len % 4 != 0) return HAL_ERROR_IO_BAD_COUNT; @@ -122,6 +125,9 @@ hal_error_t hal_io_read(const hal_core_t *core, hal_addr_t offset, uint8_t *buf, int rlen = len; hal_error_t err; + if (core == NULL) + return HAL_ERROR_CORE_NOT_FOUND; + if (len % 4 != 0) return HAL_ERROR_IO_BAD_COUNT; |