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FMC ADC 100M 14b 4cha - Software
Commit 439b506a authored by Michel Arruat's avatar Michel Arruat Committed by Juan David González Cobas
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Fix: prevent zfad_block[i_blk] to go out of bounds

parent d6859bac
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Showing with 2 additions and 2 deletions
kernel/fa-dma.c
View file @ 439b506a
......@@ -73,7 +73,7 @@ static void zfad_setup_dma_scatter(struct fa_dev *fa,
i_blk = 0;
for_each_sg(fa->sgt.sgl, sg, fa->sgt.nents, i) {
if (i == zfad_block[i_blk].first_nent) {
if (i_blk < n_blocks && i == zfad_block[i_blk].first_nent) {
WARN(bytesleft, "unmapped byte in block %i\n",
i_blk - 1);
/*
......@@ -179,7 +179,7 @@ int zfad_map_dma(struct zio_cset *cset, struct zfad_block *zfad_block,
/* Configure DMA items */
i_blk = 0;
for_each_sg(fa->sgt.sgl, sg, fa->sgt.nents, i) {
if (i == zfad_block[i_blk].first_nent) {
if (i_blk < n_blocks && i == zfad_block[i_blk].first_nent) {
/*
* FIXME if we trust our configuration, dev_mem_off is
* useless in multishot
......
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