Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\debug\kdb\kdb_support.c Create Date:2022-07-28 11:43:07
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:kdb_putarea_size - Write an area of data. The kdb equivalent of* copy_to_user, with kdb messages for invalid addresses.* Inputs:* addr Address of the area to write to.* res Pointer to the area holding the data.* size Size of the area.* Returns:

Proto:int kdb_putarea_size(unsigned long addr, void *res, size_t size)

Type:int

Parameter:

TypeParameterName
unsigned longaddr
void *res
size_tsize
353  ret = probe_kernel_read(): safely attempt to read from a location*@dst: pointer to the buffer that shall take the data*@src: address to read from*@size: size of the data chunk* Safely read from address @src to the buffer at @dst. If a kernel fault
354  If ret Then
355  If Not KDB_STATE(SUPPRESS) Then
356  kdb_printf("kdb_putarea: Bad address 0x%lx\n", addr)
357  KDB_STATE_SET(SUPPRESS)
359  ret = KDB_BADADDR
360  Else
361  KDB_STATE_CLEAR(SUPPRESS)
363  Return ret