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env: sf: Free the old env_flash

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env_flash is a global flash pointer, and the probe would
happen only if env_flash is NULL, but there is no checking
and free the pointer if is not NULL.

So, this patch frees the old env_flash, and get the probed
flash in to env_flash pointer and finally check if is not NULL.

Cc: Simon Glass <sjg@chromium.org>
Cc: Vignesh R <vigneshr@ti.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
This commit is contained in:
Jagan Teki 2020-05-13 16:32:42 +05:30
parent da37b539e6
commit c8cbf1707c
1 changed files with 6 additions and 7 deletions
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13
env/sf.c vendored
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@ -53,15 +53,14 @@ static int setup_flash_device(void)
env_flash = dev_get_uclass_priv(new);
#else
if (env_flash)
spi_flash_free(env_flash);
env_flash = spi_flash_probe(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS,
CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE);
if (!env_flash) {
env_flash = spi_flash_probe(CONFIG_ENV_SPI_BUS,
CONFIG_ENV_SPI_CS,
CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE);
if (!env_flash) {
env_set_default("spi_flash_probe() failed", 0);
return -EIO;
}
env_set_default("spi_flash_probe() failed", 0);
return -EIO;
}
#endif
return 0;