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| author | Suren A. Chilingaryan <csa@suren.me> | 2016-03-02 02:49:28 +0100 |
|---|---|---|
| committer | Suren A. Chilingaryan <csa@suren.me> | 2016-03-02 02:49:28 +0100 |
| commit | 3c58980b3ca558096340e51c215897e8614ba00a (patch) | |
| tree | 54d5f8cf48c7331586ed110a548b33b161f8093e /pcitool | |
| parent | adc657ebcd01ecc2cc5f110453ef00dffde2d5c0 (diff) | |
| parent | a5da7db50d02878b6d9c844b18d0d3f8ccf6c62b (diff) | |
| download | pcitool-3c58980b3ca558096340e51c215897e8614ba00a.tar.gz pcitool-3c58980b3ca558096340e51c215897e8614ba00a.tar.bz2 pcitool-3c58980b3ca558096340e51c215897e8614ba00a.tar.xz pcitool-3c58980b3ca558096340e51c215897e8614ba00a.zip | |
Distinguish between hardware and bus addresses in pcilib and fix cli reading from DMA when very low DMA timeout is set
Diffstat (limited to 'pcitool')
| -rw-r--r-- | pcitool/cli.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/pcitool/cli.c b/pcitool/cli.c index 3f1af74..caa55a9 100644 --- a/pcitool/cli.c +++ b/pcitool/cli.c @@ -1291,9 +1291,11 @@ int ReadData(pcilib_t *handle, ACCESS_MODE mode, FLAGS flags, pcilib_dma_engine_ size = 2048; bytes = 0; do { - size *= 2; - buf = realloc(buf, size); - if (!buf) Error("Allocation of %zu bytes of memory has failed", size); + if ((size - bytes) < 4096) { + size *= 2; + buf = realloc(buf, size); + if (!buf) Error("Allocation of %zu bytes of memory has failed", size); + } err = pcilib_read_dma_custom(handle, dmaid, addr, size - bytes, dma_flags, timeout, buf + bytes, &ret); bytes += ret; |