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| author | Christian Schoenebeck <linux_oss@crudebyte.com> | 2022-11-22 20:20:29 +0100 |
|---|---|---|
| committer | Dominique Martinet <asmadeus@codewreck.org> | 2022-12-06 07:31:18 +0900 |
| commit | a31b3cffbd8e5d032dcb267bf94ee48d71c1a28b (patch) | |
| tree | c63c7550644310bc496a214ef69b3cdd94f07fae /fs/exfat/file.c | |
| parent | 8e4c2eee1e15c1206c26f6b28b05fe9711a427c6 (diff) | |
| download | linux-stable-a31b3cffbd8e5d032dcb267bf94ee48d71c1a28b.tar.gz linux-stable-a31b3cffbd8e5d032dcb267bf94ee48d71c1a28b.tar.bz2 linux-stable-a31b3cffbd8e5d032dcb267bf94ee48d71c1a28b.zip | |
net/9p: fix response size check in p9_check_errors()
Since commit 60ece0833b6c ("net/9p: allocate appropriate reduced message
buffers") it is no longer appropriate to check server's response size
against msize. Check against the previously allocated buffer capacity
instead.
- Omit this size check entirely for zero-copy messages, as those always
allocate 4k (P9_ZC_HDR_SZ) linear buffers which are not used for actual
payload and can be much bigger than 4k.
- Replace p9_debug() by pr_err() to make sure this message is always
printed in case this error is triggered.
- Add 9p message type to error message to ease investigation.
Link: https://lkml.kernel.org/r/e0edec84b1c80119ae937ce854b4f5f6dbe2d08c.1669144861.git.linux_oss@crudebyte.com
Signed-off-by: Christian Schoenebeck <linux_oss@crudebyte.com>
Tested-by: Stefano Stabellini <sstabellini@kernel.org>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Dominique Martinet <asmadeus@codewreck.org>
Diffstat (limited to 'fs/exfat/file.c')
0 files changed, 0 insertions, 0 deletions