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hwrng: amd - Convert PCIBIOS_* return codes to errnos

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amd_rng_mod_init() uses pci_read_config_dword() that returns PCIBIOS_*
codes. The return code is then returned as is but amd_rng_mod_init() is
a module_init() function that should return normal errnos.

Convert PCIBIOS_* returns code using pcibios_err_to_errno() into normal
errno before returning it.

Fixes: 96d63c0297 ("[PATCH] Add AMD HW RNG driver")
Cc: stable@vger.kernel.org
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Ilpo Järvinen 2024-05-27 16:26:15 +03:00 committed by Herbert Xu
parent fa501bf25e
commit 14cba6ace7
1 changed files with 3 additions and 1 deletions
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4
drivers/char/hw_random/amd-rng.c
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@ -143,8 +143,10 @@ static int __init amd_rng_mod_init(void)
found:
err = pci_read_config_dword(pdev, 0x58, &pmbase);
if (err)
if (err) {
err = pcibios_err_to_errno(err);
goto put_dev;
}
pmbase &= 0x0000FF00;
if (pmbase == 0) {