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syscalls: Fix offset type of ksys_ftruncate()

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After the commit below, truncate() on x86 32bit uses ksys_ftruncate(). But
ksys_ftruncate() truncates the offset to unsigned long.

Switch the type of offset to loff_t which is what do_sys_ftruncate()
expects.

Fixes: 121b32a58a (x86/entry/32: Use IA32-specific wrappers for syscalls taking 64-bit arguments)
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Brian Gerst <brgerst@gmail.com>
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/r/20200610114851.28549-1-jslaby@suse.cz
This commit is contained in:
Jiri Slaby 2020-06-10 13:48:51 +02:00 committed by Thomas Gleixner
parent 2c18bd525c
commit 8e742aa797
1 changed files with 1 additions and 1 deletions
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2
include/linux/syscalls.h
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@ -1360,7 +1360,7 @@ static inline long ksys_lchown(const char __user *filename, uid_t user,
extern long do_sys_ftruncate(unsigned int fd, loff_t length, int small);
static inline long ksys_ftruncate(unsigned int fd, unsigned long length)
static inline long ksys_ftruncate(unsigned int fd, loff_t length)
{
return do_sys_ftruncate(fd, length, 1);
}