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Some USB-SATA adapters have broken behavior when an unsupported VPD page is probed: Depending on the VPD page number, a 4-byte header with a valid VPD page number but with a 0 length is returned. Currently, scsi_vpd_inquiry() only checks that the page number is valid to determine if the page is valid, which results in receiving only the 4-byte header for the non-existent page. This error manifests itself very often with page 0xb9 for the Concurrent Positioning Ranges detection done by sd_read_cpr(), resulting in the following error message: sd 0:0:0:0: [sda] Invalid Concurrent Positioning Ranges VPD page Prevent such misleading error message by adding a check in scsi_vpd_inquiry() to verify that the page length is not 0. Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com> Link: https://lore.kernel.org/r/20230322022211.116327-1-damien.lemoal@opensource.wdc.com Reviewed-by: Benjamin Block <bblock@linux.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> |
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.