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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2020-11-04 09:39:44 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2021-01-25 10:20:43 +0100 |
| commit | 95188414f2d87f9859b1270d7a52466696954f38 (patch) | |
| tree | 65733dbd12c6dc0a467b0792bfb4f35b9037d2be | |
| parent | 90cde3b9ff46b8c62d3b5bdb88f5acea4e62bcac (diff) | |
| download | barebox-95188414f2d87f9859b1270d7a52466696954f38.tar.gz barebox-95188414f2d87f9859b1270d7a52466696954f38.tar.xz | |
mtd: nand: omap_gpmc: Fix wrong length check for real
Check for length > 0 because otherwise len may become smaller than
0 in which case the loop never ends.
Reported-by: Alexander Shiyan <eagle.alexander923@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | drivers/mtd/nand/nand_omap_gpmc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mtd/nand/nand_omap_gpmc.c b/drivers/mtd/nand/nand_omap_gpmc.c index db1ca88791..0f3ffa1c0e 100644 --- a/drivers/mtd/nand/nand_omap_gpmc.c +++ b/drivers/mtd/nand/nand_omap_gpmc.c @@ -636,7 +636,7 @@ static void omap_write_buf_pref(struct nand_chip *nand_chip, gpmc_prefetch_enable(info->gpmc_cs, PREFETCH_FIFOTHRESHOLD_MAX, 0x0, len, 0x1); - while (len) { + while (len > 0) { w_count = readl(info->gpmc_base + GPMC_PREFETCH_STATUS); w_count = GPMC_PREFETCH_STATUS_FIFO_CNT(w_count); w_count = w_count >> 2; |