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nubus: Avoid array underflow and overflow

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Check array indices. Avoid sprintf. Use buffers of sufficient size.
Use appropriate types for array length parameters.

Tested-by: Stan Johnson <userm57@yahoo.com>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
This commit is contained in:
Finn Thain
2018-01-13 17:37:13 -05:00
committed by Geert Uytterhoeven
parent 955999c902
commit 2f828fb21d
3 changed files with 27 additions and 24 deletions
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10
include/linux/nubus.h
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@@ -126,10 +126,8 @@ int nubus_rewinddir(struct nubus_dir* dir);
/* Things to do with directory entries */
int nubus_get_subdir(const struct nubus_dirent* ent,
struct nubus_dir* dir);
void nubus_get_rsrc_mem(void* dest,
const struct nubus_dirent *dirent,
int len);
void nubus_get_rsrc_str(void* dest,
const struct nubus_dirent *dirent,
int maxlen);
void nubus_get_rsrc_mem(void *dest, const struct nubus_dirent *dirent,
unsigned int len);
void nubus_get_rsrc_str(char *dest, const struct nubus_dirent *dirent,
unsigned int maxlen);
#endif /* LINUX_NUBUS_H */