Re: [PATCH bpf-next] bpf: Fix a few typos in BPF helpers documentation

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Hi Quentin,

On 8/25/22 11:26, Quentin Monnet wrote:
Address a few typos in the documentation for the BPF helper functions.
They were reported by Jakub [0], who ran spell checkers on the generated
man page [1].

Sync-up the UAPI header with its version in tools/.

[0] https://lore.kernel.org/linux-man/d22dcd47-023c-8f52-d369-7b5308e6c842@xxxxxxxxx/T/#mb02e7d4b7fb61d98fa914c77b581184e9a9537af
[1] https://lore.kernel.org/linux-man/eb6a1e41-c48e-ac45-5154-ac57a2c76108@xxxxxxxxx/T/#m4a8d1b003616928013ffcd1450437309ab652f9f

Cc: Alejandro Colomar <alx.manpages@xxxxxxxxx>
Cc: Jakub Wilk <jwilk@xxxxxxxxx>
Cc: Jesper Dangaard Brouer <brouer@xxxxxxxxxx>
Cc: linux-man@xxxxxxxxxxxxxxx
Reported-by: Jakub Wilk <jwilk@xxxxxxxxx>
Signed-off-by: Quentin Monnet <quentin@xxxxxxxxxxxxx>
---
  include/uapi/linux/bpf.h       | 16 ++++++++--------
  tools/include/uapi/linux/bpf.h | 18 +++++++++---------
  2 files changed, 17 insertions(+), 17 deletions(-)

diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index 644600dbb114..e4d3810990be 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -4437,7 +4437,7 @@ union bpf_attr {
   *
   *		**-EEXIST** if the option already exists.
   *
- *		**-EFAULT** on failrue to parse the existing header options.
+ *		**-EFAULT** on failure to parse the existing header options.
   *
   *		**-EPERM** if the helper cannot be used under the current
   *		*skops*\ **->op**.
@@ -4646,7 +4646,7 @@ union bpf_attr {
   *		a *map* with *task* as the **key**.  From this
   *		perspective,  the usage is not much different from
   *		**bpf_map_lookup_elem**\ (*map*, **&**\ *task*) except this
- *		helper enforces the key must be an task_struct and the map must also
+ *		helper enforces the key must be a task_struct and the map must also
   *		be a **BPF_MAP_TYPE_TASK_STORAGE**.
   *
   *		Underneath, the value is stored locally at *task* instead of
@@ -4704,7 +4704,7 @@ union bpf_attr {
   *
   * long bpf_ima_inode_hash(struct inode *inode, void *dst, u32 size)
   *	Description
- *		Returns the stored IMA hash of the *inode* (if it's avaialable).
+ *		Returns the stored IMA hash of the *inode* (if it's available).
   *		If the hash is larger than *size*, then only *size*
   *		bytes will be copied to *dst*
   *	Return
@@ -4728,12 +4728,12 @@ union bpf_attr {
   *
   *		The argument *len_diff* can be used for querying with a planned
   *		size change. This allows to check MTU prior to changing packet
- *		ctx. Providing an *len_diff* adjustment that is larger than the
+ *		ctx. Providing a *len_diff* adjustment that is larger than the
   *		actual packet size (resulting in negative packet size) will in
- *		principle not exceed the MTU, why it is not considered a
- *		failure.  Other BPF-helpers are needed for performing the
- *		planned size change, why the responsability for catch a negative
- *		packet size belong in those helpers.
+ *		principle not exceed the MTU, which is why it is not considered
+ *		a failure.  Other BPF helpers are needed for performing the
+ *		planned size change, therefore the responsibility for catching

Maybe s/,/;/ ?

Other than that, LGTM.

Cheers,

Alex

--
Alejandro Colomar
<http://www.alejandro-colomar.es/>

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