提交 c6ca97d2 编写于 作者: A Atsushi Nemoto 提交者: Linus Torvalds

[PATCH] SPI: at25: do not use pointer before assignment

Prevents a potential oops with CONFIG_SPI_DEBUG given flakey hardware or
incorrect configuration.
Signed-off-by: NAtsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: NDavid Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 13788ccc
...@@ -291,7 +291,7 @@ static int at25_probe(struct spi_device *spi) ...@@ -291,7 +291,7 @@ static int at25_probe(struct spi_device *spi)
*/ */
sr = spi_w8r8(spi, AT25_RDSR); sr = spi_w8r8(spi, AT25_RDSR);
if (sr < 0 || sr & AT25_SR_nRDY) { if (sr < 0 || sr & AT25_SR_nRDY) {
dev_dbg(&at25->spi->dev, "rdsr --> %d (%02x)\n", sr, sr); dev_dbg(&spi->dev, "rdsr --> %d (%02x)\n", sr, sr);
err = -ENXIO; err = -ENXIO;
goto fail; goto fail;
} }
......
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